Finding the Fourth Proportional to 88,913,310.77, 122,701,821.71 and 48,678,635.45
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Solution
The fourth proportional to 88,913,310.77, 122,701,821.71 and 48,678,635.45 is: 67,177,312.33
Step by Step Solution
- Step 1: Write the proportion equation
88,913,310.77 : 122,701,821.71 = 48,678,635.45 : x - Step 2: Convert to fraction form
88,913,310.77/122,701,821.71 = 48,678,635.45/x - Step 3: Cross multiply
88,913,310.77x = 122,701,821.71 × 48,678,635.45 - Step 4: Simplify right side
88,913,310.77x = 5,972,957,248,135,347 - Step 5: Solve for x
x = 5,972,957,248,135,347/88,913,310.77 - Step 6: Final answer
x = 67,177,312.33
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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.