Finding the Fourth Proportional to 71,177,475.20, 106,766,212.80 and 32,913,723.20
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Solution
The fourth proportional to 71,177,475.20, 106,766,212.80 and 32,913,723.20 is: 49,370,584.80
Step by Step Solution
- Step 1: Write the proportion equation
71,177,475.20 : 106,766,212.80 = 32,913,723.20 : x - Step 2: Convert to fraction form
71,177,475.20/106,766,212.80 = 32,913,723.20/x - Step 3: Cross multiply
71,177,475.20x = 106,766,212.80 × 32,913,723.20 - Step 4: Simplify right side
71,177,475.20x = 3,514,073,575,211,497 - Step 5: Solve for x
x = 3,514,073,575,211,497/71,177,475.20 - Step 6: Final answer
x = 49,370,584.80
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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.