Finding the Fourth Proportional to 144,581,527.30, 217,040,252.55 and 87,138,660.10
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Solution
The fourth proportional to 144,581,527.30, 217,040,252.55 and 87,138,660.10 is: 130,809,219.88
Step by Step Solution
- Step 1: Write the proportion equation
144,581,527.30 : 217,040,252.55 = 87,138,660.10 : x - Step 2: Convert to fraction form
144,581,527.30/217,040,252.55 = 87,138,660.10/x - Step 3: Cross multiply
144,581,527.30x = 217,040,252.55 × 87,138,660.10 - Step 4: Simplify right side
144,581,527.30x = 18,912,596,794,972,608 - Step 5: Solve for x
x = 18,912,596,794,972,608/144,581,527.30 - Step 6: Final answer
x = 130,809,219.88
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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.