Finding the Fourth Proportional to 100,926,178.62, 139,278,182.48 and 54,516,432.80
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Solution
The fourth proportional to 100,926,178.62, 139,278,182.48 and 54,516,432.80 is: 75,232,707.50
Step by Step Solution
- Step 1: Write the proportion equation
100,926,178.62 : 139,278,182.48 = 54,516,432.80 : x - Step 2: Convert to fraction form
100,926,178.62/139,278,182.48 = 54,516,432.80/x - Step 3: Cross multiply
100,926,178.62x = 139,278,182.48 × 54,516,432.80 - Step 4: Simplify right side
100,926,178.62x = 7,592,949,674,708,084 - Step 5: Solve for x
x = 7,592,949,674,708,084/100,926,178.62 - Step 6: Final answer
x = 75,232,707.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.