Finding the Fourth Proportional to 61,160,615.20, 91,740,922.80 and 24,786,431.20
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Solution
The fourth proportional to 61,160,615.20, 91,740,922.80 and 24,786,431.20 is: 37,179,646.80
Step by Step Solution
- Step 1: Write the proportion equation
61,160,615.20 : 91,740,922.80 = 24,786,431.20 : x - Step 2: Convert to fraction form
61,160,615.20/91,740,922.80 = 24,786,431.20/x - Step 3: Cross multiply
61,160,615.20x = 91,740,922.80 × 24,786,431.20 - Step 4: Simplify right side
61,160,615.20x = 2,273,930,071,206,711 - Step 5: Solve for x
x = 2,273,930,071,206,711/61,160,615.20 - Step 6: Final answer
x = 37,179,646.80
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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.