Finding the Fourth Proportional to 57,471,723.20, 86,207,584.80 and 51,236,148.80
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Solution
The fourth proportional to 57,471,723.20, 86,207,584.80 and 51,236,148.80 is: 76,854,223.20
Step by Step Solution
- Step 1: Write the proportion equation
57,471,723.20 : 86,207,584.80 = 51,236,148.80 : x - Step 2: Convert to fraction form
57,471,723.20/86,207,584.80 = 51,236,148.80/x - Step 3: Cross multiply
57,471,723.20x = 86,207,584.80 × 51,236,148.80 - Step 4: Simplify right side
57,471,723.20x = 4,416,944,642,501,418 - Step 5: Solve for x
x = 4,416,944,642,501,418/57,471,723.20 - Step 6: Final answer
x = 76,854,223.20
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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.