Finding the Fourth Proportional to 115,442,785.09, 159,309,074.42 and 62,519,062.70
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Solution
The fourth proportional to 115,442,785.09, 159,309,074.42 and 62,519,062.70 is: 86,275,240.20
Step by Step Solution
- Step 1: Write the proportion equation
115,442,785.09 : 159,309,074.42 = 62,519,062.70 : x - Step 2: Convert to fraction form
115,442,785.09/159,309,074.42 = 62,519,062.70/x - Step 3: Cross multiply
115,442,785.09x = 159,309,074.42 × 62,519,062.70 - Step 4: Simplify right side
115,442,785.09x = 9,959,854,013,137,452 - Step 5: Solve for x
x = 9,959,854,013,137,452/115,442,785.09 - Step 6: Final answer
x = 86,275,240.20
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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.