Finding the Fourth Proportional to 48,386,983.20, 72,586,695.60 and 24,138,304.80
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Solution
The fourth proportional to 48,386,983.20, 72,586,695.60 and 24,138,304.80 is: 36,210,560.50
Step by Step Solution
- Step 1: Write the proportion equation
48,386,983.20 : 72,586,695.60 = 24,138,304.80 : x - Step 2: Convert to fraction form
48,386,983.20/72,586,695.60 = 24,138,304.80/x - Step 3: Cross multiply
48,386,983.20x = 72,586,695.60 × 24,138,304.80 - Step 4: Simplify right side
48,386,983.20x = 1,752,119,782,817,618.75 - Step 5: Solve for x
x = 1,752,119,782,817,618.75/48,386,983.20 - Step 6: Final answer
x = 36,210,560.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.