Finding the Fourth Proportional to 218,235,711.13, 327,498,147.95 and 119,936,065.79
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Solution
The fourth proportional to 218,235,711.13, 327,498,147.95 and 119,936,065.79 is: 179,983,556.38
Step by Step Solution
- Step 1: Write the proportion equation
218,235,711.13 : 327,498,147.95 = 119,936,065.79 : x - Step 2: Convert to fraction form
218,235,711.13/327,498,147.95 = 119,936,065.79/x - Step 3: Cross multiply
218,235,711.13x = 327,498,147.95 × 119,936,065.79 - Step 4: Simplify right side
218,235,711.13x = 39,278,839,418,853,416 - Step 5: Solve for x
x = 39,278,839,418,853,416/218,235,711.13 - Step 6: Final answer
x = 179,983,556.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.