Finding the Fourth Proportional to 87,425,175.80, 131,025,789.30 and 67,129,815.80
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Solution
The fourth proportional to 87,425,175.80, 131,025,789.30 and 67,129,815.80 is: 100,608,743.65
Step by Step Solution
- Step 1: Write the proportion equation
87,425,175.80 : 131,025,789.30 = 67,129,815.80 : x - Step 2: Convert to fraction form
87,425,175.80/131,025,789.30 = 67,129,815.80/x - Step 3: Cross multiply
87,425,175.80x = 131,025,789.30 × 67,129,815.80 - Step 4: Simplify right side
87,425,175.80x = 8,795,737,100,758,610 - Step 5: Solve for x
x = 8,795,737,100,758,610/87,425,175.80 - Step 6: Final answer
x = 100,608,743.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.