Finding the Fourth Proportional to 58,711,700.20, 88,067,550.30 and 53,420,909.80
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Solution
The fourth proportional to 58,711,700.20, 88,067,550.30 and 53,420,909.80 is: 80,131,364.70
Step by Step Solution
- Step 1: Write the proportion equation
58,711,700.20 : 88,067,550.30 = 53,420,909.80 : x - Step 2: Convert to fraction form
58,711,700.20/88,067,550.30 = 53,420,909.80/x - Step 3: Cross multiply
58,711,700.20x = 88,067,550.30 × 53,420,909.80 - Step 4: Simplify right side
58,711,700.20x = 4,704,648,660,883,263 - Step 5: Solve for x
x = 4,704,648,660,883,263/58,711,700.20 - Step 6: Final answer
x = 80,131,364.70
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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.