Finding the Fourth Proportional to 87,707,701.80, 131,561,552.70 and 60,497,922.60
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Solution
The fourth proportional to 87,707,701.80, 131,561,552.70 and 60,497,922.60 is: 90,746,883.90
Step by Step Solution
- Step 1: Write the proportion equation
87,707,701.80 : 131,561,552.70 = 60,497,922.60 : x - Step 2: Convert to fraction form
87,707,701.80/131,561,552.70 = 60,497,922.60/x - Step 3: Cross multiply
87,707,701.80x = 131,561,552.70 × 60,497,922.60 - Step 4: Simplify right side
87,707,701.80x = 7,959,200,632,380,421 - Step 5: Solve for x
x = 7,959,200,632,380,421/87,707,701.80 - Step 6: Final answer
x = 90,746,883.90
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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.