Finding the Fourth Proportional to 80,592,675.75, 120,877,202.97 and 39,641,122.62
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Solution
The fourth proportional to 80,592,675.75, 120,877,202.97 and 39,641,122.62 is: 59,455,874.62
Step by Step Solution
- Step 1: Write the proportion equation
80,592,675.75 : 120,877,202.97 = 39,641,122.62 : x - Step 2: Convert to fraction form
80,592,675.75/120,877,202.97 = 39,641,122.62/x - Step 3: Cross multiply
80,592,675.75x = 120,877,202.97 × 39,641,122.62 - Step 4: Simplify right side
80,592,675.75x = 4,791,708,024,896,398 - Step 5: Solve for x
x = 4,791,708,024,896,398/80,592,675.75 - Step 6: Final answer
x = 59,455,874.62
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1.5x scale
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.