Finding the Fourth Proportional to 88,488,077.13, 122,107,310.87 and 49,328,121.69
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Solution
The fourth proportional to 88,488,077.13, 122,107,310.87 and 49,328,121.69 is: 68,069,331.88
Step by Step Solution
- Step 1: Write the proportion equation
88,488,077.13 : 122,107,310.87 = 49,328,121.69 : x - Step 2: Convert to fraction form
88,488,077.13/122,107,310.87 = 49,328,121.69/x - Step 3: Cross multiply
88,488,077.13x = 122,107,310.87 × 49,328,121.69 - Step 4: Simplify right side
88,488,077.13x = 6,023,324,289,587,379 - Step 5: Solve for x
x = 6,023,324,289,587,379/88,488,077.13 - Step 6: Final answer
x = 68,069,331.88
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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.