Finding the Fourth Proportional to 80,592,676.75, 120,877,204.47 and 39,641,123.62
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Solution
The fourth proportional to 80,592,676.75, 120,877,204.47 and 39,641,123.62 is: 59,455,876.12
Step by Step Solution
- Step 1: Write the proportion equation
80,592,676.75 : 120,877,204.47 = 39,641,123.62 : x - Step 2: Convert to fraction form
80,592,676.75/120,877,204.47 = 39,641,123.62/x - Step 3: Cross multiply
80,592,676.75x = 120,877,204.47 × 39,641,123.62 - Step 4: Simplify right side
80,592,676.75x = 4,791,708,205,235,286 - Step 5: Solve for x
x = 4,791,708,205,235,286/80,592,676.75 - Step 6: Final answer
x = 59,455,876.12
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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.