Finding the Fourth Proportional to 53,207,635.97, 73,451,255.69 and 31,178,077.99
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Solution
The fourth proportional to 53,207,635.97, 73,451,255.69 and 31,178,077.99 is: 43,040,231.66
Step by Step Solution
- Step 1: Write the proportion equation
53,207,635.97 : 73,451,255.69 = 31,178,077.99 : x - Step 2: Convert to fraction form
53,207,635.97/73,451,255.69 = 31,178,077.99/x - Step 3: Cross multiply
53,207,635.97x = 73,451,255.69 × 31,178,077.99 - Step 4: Simplify right side
53,207,635.97x = 2,290,068,978,366,251 - Step 5: Solve for x
x = 2,290,068,978,366,251/53,207,635.97 - Step 6: Final answer
x = 43,040,231.66
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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.