Finding the Fourth Proportional to 84,053,404.80, 125,986,795.20 and 32,918,428.80
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Solution
The fourth proportional to 84,053,404.80, 125,986,795.20 and 32,918,428.80 is: 49,341,098.76
Step by Step Solution
- Step 1: Write the proportion equation
84,053,404.80 : 125,986,795.20 = 32,918,428.80 : x - Step 2: Convert to fraction form
84,053,404.80/125,986,795.20 = 32,918,428.80/x - Step 3: Cross multiply
84,053,404.80x = 125,986,795.20 × 32,918,428.80 - Step 4: Simplify right side
84,053,404.80x = 4,147,287,347,531,382 - Step 5: Solve for x
x = 4,147,287,347,531,382/84,053,404.80 - Step 6: Final answer
x = 49,341,098.76
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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.