Finding the Fourth Proportional to 97,461,279.20, 134,557,721.88 and 62,714,355.92
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Solution
The fourth proportional to 97,461,279.20, 134,557,721.88 and 62,714,355.92 is: 86,585,164.19
Step by Step Solution
- Step 1: Write the proportion equation
97,461,279.20 : 134,557,721.88 = 62,714,355.92 : x - Step 2: Convert to fraction form
97,461,279.20/134,557,721.88 = 62,714,355.92/x - Step 3: Cross multiply
97,461,279.20x = 134,557,721.88 × 62,714,355.92 - Step 4: Simplify right side
97,461,279.20x = 8,438,700,861,766,691 - Step 5: Solve for x
x = 8,438,700,861,766,691/97,461,279.20 - Step 6: Final answer
x = 86,585,164.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.