Finding the Fourth Proportional to 177,155,140.20, 265,732,710.30 and 62,098,163.70
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Solution
The fourth proportional to 177,155,140.20, 265,732,710.30 and 62,098,163.70 is: 93,147,245.55
Step by Step Solution
- Step 1: Write the proportion equation
177,155,140.20 : 265,732,710.30 = 62,098,163.70 : x - Step 2: Convert to fraction form
177,155,140.20/265,732,710.30 = 62,098,163.70/x - Step 3: Cross multiply
177,155,140.20x = 265,732,710.30 × 62,098,163.70 - Step 4: Simplify right side
177,155,140.20x = 16,501,513,344,654,078 - Step 5: Solve for x
x = 16,501,513,344,654,078/177,155,140.20 - Step 6: Final answer
x = 93,147,245.55
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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.