Finding the Fourth Proportional to 68,098,887.20, 102,148,330.80 and 58,532,949.20
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Solution
The fourth proportional to 68,098,887.20, 102,148,330.80 and 58,532,949.20 is: 87,799,423.80
Step by Step Solution
- Step 1: Write the proportion equation
68,098,887.20 : 102,148,330.80 = 58,532,949.20 : x - Step 2: Convert to fraction form
68,098,887.20/102,148,330.80 = 58,532,949.20/x - Step 3: Cross multiply
68,098,887.20x = 102,148,330.80 × 58,532,949.20 - Step 4: Simplify right side
68,098,887.20x = 5,979,043,057,581,195 - Step 5: Solve for x
x = 5,979,043,057,581,195/68,098,887.20 - Step 6: Final answer
x = 87,799,423.80
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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.