Finding the Fourth Proportional to 87,414,892.58, 120,632,937.05 and 48,256,991.09
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Solution
The fourth proportional to 87,414,892.58, 120,632,937.05 and 48,256,991.09 is: 66,594,860.41
Step by Step Solution
- Step 1: Write the proportion equation
87,414,892.58 : 120,632,937.05 = 48,256,991.09 : x - Step 2: Convert to fraction form
87,414,892.58/120,632,937.05 = 48,256,991.09/x - Step 3: Cross multiply
87,414,892.58x = 120,632,937.05 × 48,256,991.09 - Step 4: Simplify right side
87,414,892.58x = 5,821,382,569,121,033 - Step 5: Solve for x
x = 5,821,382,569,121,033/87,414,892.58 - Step 6: Final answer
x = 66,594,860.41
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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.