Finding the Fourth Proportional to 88,678,166.20, 122,433,452 and 79,369,616.23
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Solution
The fourth proportional to 88,678,166.20, 122,433,452 and 79,369,616.23 is: 109,581,608.59
Step by Step Solution
- Step 1: Write the proportion equation
88,678,166.20 : 122,433,452 = 79,369,616.23 : x - Step 2: Convert to fraction form
88,678,166.20/122,433,452 = 79,369,616.23/x - Step 3: Cross multiply
88,678,166.20x = 122,433,452 × 79,369,616.23 - Step 4: Simplify right side
88,678,166.20x = 9,717,496,098,954,126 - Step 5: Solve for x
x = 9,717,496,098,954,126/88,678,166.20 - Step 6: Final answer
x = 109,581,608.59
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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.