Finding the Fourth Proportional to 58,268,693.20, 87,403,039.80 and 51,550,229.20
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Solution
The fourth proportional to 58,268,693.20, 87,403,039.80 and 51,550,229.20 is: 77,325,343.80
Step by Step Solution
- Step 1: Write the proportion equation
58,268,693.20 : 87,403,039.80 = 51,550,229.20 : x - Step 2: Convert to fraction form
58,268,693.20/87,403,039.80 = 51,550,229.20/x - Step 3: Cross multiply
58,268,693.20x = 87,403,039.80 × 51,550,229.20 - Step 4: Simplify right side
58,268,693.20x = 4,505,646,734,466,722 - Step 5: Solve for x
x = 4,505,646,734,466,722/58,268,693.20 - Step 6: Final answer
x = 77,325,343.80
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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.