Finding the Fourth Proportional to 58,154,272.78, 80,251,417.61 and 31,693,306.99
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Solution
The fourth proportional to 58,154,272.78, 80,251,417.61 and 31,693,306.99 is: 43,735,957.70
Step by Step Solution
- Step 1: Write the proportion equation
58,154,272.78 : 80,251,417.61 = 31,693,306.99 : x - Step 2: Convert to fraction form
58,154,272.78/80,251,417.61 = 31,693,306.99/x - Step 3: Cross multiply
58,154,272.78x = 80,251,417.61 × 31,693,306.99 - Step 4: Simplify right side
58,154,272.78x = 2,543,432,814,136,698.50 - Step 5: Solve for x
x = 2,543,432,814,136,698.50/58,154,272.78 - Step 6: Final answer
x = 43,735,957.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.