Finding the Fourth Proportional to 88,913,306.26, 122,701,815.47 and 48,678,630.94
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Solution
The fourth proportional to 88,913,306.26, 122,701,815.47 and 48,678,630.94 is: 67,177,306.10
Step by Step Solution
- Step 1: Write the proportion equation
88,913,306.26 : 122,701,815.47 = 48,678,630.94 : x - Step 2: Convert to fraction form
88,913,306.26/122,701,815.47 = 48,678,630.94/x - Step 3: Cross multiply
88,913,306.26x = 122,701,815.47 × 48,678,630.94 - Step 4: Simplify right side
88,913,306.26x = 5,972,956,390,932,112 - Step 5: Solve for x
x = 5,972,956,390,932,112/88,913,306.26 - Step 6: Final answer
x = 67,177,306.10
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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.