Finding the Fourth Proportional to 85,927,430.31, 118,589,951.10 and 48,256,785.18
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Solution
The fourth proportional to 85,927,430.31, 118,589,951.10 and 48,256,785.18 is: 66,600,034.17
Step by Step Solution
- Step 1: Write the proportion equation
85,927,430.31 : 118,589,951.10 = 48,256,785.18 : x - Step 2: Convert to fraction form
85,927,430.31/118,589,951.10 = 48,256,785.18/x - Step 3: Cross multiply
85,927,430.31x = 118,589,951.10 × 48,256,785.18 - Step 4: Simplify right side
85,927,430.31x = 5,722,769,794,739,404 - Step 5: Solve for x
x = 5,722,769,794,739,404/85,927,430.31 - Step 6: Final answer
x = 66,600,034.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.