Finding the Fourth Proportional to 88,913,714.20, 133,445,220.90 and 40,466,123.80
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Solution
The fourth proportional to 88,913,714.20, 133,445,220.90 and 40,466,123.80 is: 60,733,159.99
Step by Step Solution
- Step 1: Write the proportion equation
88,913,714.20 : 133,445,220.90 = 40,466,123.80 : x - Step 2: Convert to fraction form
88,913,714.20/133,445,220.90 = 40,466,123.80/x - Step 3: Cross multiply
88,913,714.20x = 133,445,220.90 × 40,466,123.80 - Step 4: Simplify right side
88,913,714.20x = 5,400,010,829,457,747 - Step 5: Solve for x
x = 5,400,010,829,457,747/88,913,714.20 - Step 6: Final answer
x = 60,733,159.99
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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.