Finding the Fourth Proportional to 87,744,143.06, 121,085,438.64 and 48,585,078.80
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Solution
The fourth proportional to 87,744,143.06, 121,085,438.64 and 48,585,078.80 is: 67,046,589.92
Step by Step Solution
- Step 1: Write the proportion equation
87,744,143.06 : 121,085,438.64 = 48,585,078.80 : x - Step 2: Convert to fraction form
87,744,143.06/121,085,438.64 = 48,585,078.80/x - Step 3: Cross multiply
87,744,143.06x = 121,085,438.64 × 48,585,078.80 - Step 4: Simplify right side
87,744,143.06x = 5,882,945,577,856,965 - Step 5: Solve for x
x = 5,882,945,577,856,965/87,744,143.06 - Step 6: Final answer
x = 67,046,589.92
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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.