# 30 percent of a hundred Dollars

Using this tool you can find any percentage in three ways. So, we think you reached us looking for answers like: What is 30 (30%) percent (%) of a hundred (100)? Or may be: 30 percent of a hundred Dollars. See the solutions to these problems just after the percentage calculator below.

See the solutions to these problems just after the percentage calculator below.

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## How to work out percentages - Step by Step

Here are the solutions to the questions stated above:

### 1) What is 30% of 100?

Always use this formula to find a percentage:

% / 100 = Part / Whole replace the given values:

30 / 100 = Part / 100

Cross multiply:

30 x 100 = 100 x Part, or

3000 = 100 x Part

Now, divide by 100 and get the answer:

Part = 3000 / 100 = 30

### 2) 30 is what percent of 100?

Use again the same percentage formula:

% / 100 = Part / Whole replace the given values:

% / 100 = 30 / 100

Cross multiply:

% x 100 = 30 x 100

Divide by 100 and get the percentage:

% = 30 x 100 / 100 = 30%