Finding the Fourth Proportional to 81,481,006.72, 122,275,355.42 and 38,362,541.14
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Solution
The fourth proportional to 81,481,006.72, 122,275,355.42 and 38,362,541.14 is: 57,569,162.94
Step by Step Solution
- Step 1: Write the proportion equation
81,481,006.72 : 122,275,355.42 = 38,362,541.14 : x - Step 2: Convert to fraction form
81,481,006.72/122,275,355.42 = 38,362,541.14/x - Step 3: Cross multiply
81,481,006.72x = 122,275,355.42 × 38,362,541.14 - Step 4: Simplify right side
81,481,006.72x = 4,690,793,352,707,872 - Step 5: Solve for x
x = 4,690,793,352,707,872/81,481,006.72 - Step 6: Final answer
x = 57,569,162.94
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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.