Finding the Fourth Proportional to 85,582,251.52, 128,368,652.02 and 62,576,761.12
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Solution
The fourth proportional to 85,582,251.52, 128,368,652.02 and 62,576,761.12 is: 93,861,686.62
Step by Step Solution
- Step 1: Write the proportion equation
85,582,251.52 : 128,368,652.02 = 62,576,761.12 : x - Step 2: Convert to fraction form
85,582,251.52/128,368,652.02 = 62,576,761.12/x - Step 3: Cross multiply
85,582,251.52x = 128,368,652.02 × 62,576,761.12 - Step 4: Simplify right side
85,582,251.52x = 8,032,894,472,751,945 - Step 5: Solve for x
x = 8,032,894,472,751,945/85,582,251.52 - Step 6: Final answer
x = 93,861,686.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.