Finding the Fourth Proportional to 51,222,658.48, 76,799,857.68 and 28,204,432.44
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Solution
The fourth proportional to 51,222,658.48, 76,799,857.68 and 28,204,432.44 is: 42,287,855.84
Step by Step Solution
- Step 1: Write the proportion equation
51,222,658.48 : 76,799,857.68 = 28,204,432.44 : x - Step 2: Convert to fraction form
51,222,658.48/76,799,857.68 = 28,204,432.44/x - Step 3: Cross multiply
51,222,658.48x = 76,799,857.68 × 28,204,432.44 - Step 4: Simplify right side
51,222,658.48x = 2,166,096,397,337,175.50 - Step 5: Solve for x
x = 2,166,096,397,337,175.50/51,222,658.48 - Step 6: Final answer
x = 42,287,855.84
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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.