Finding the Fourth Proportional to 100,926,225.15, 139,278,246.75 and 54,516,479.53
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Solution
The fourth proportional to 100,926,225.15, 139,278,246.75 and 54,516,479.53 is: 75,232,772.01
Step by Step Solution
- Step 1: Write the proportion equation
100,926,225.15 : 139,278,246.75 = 54,516,479.53 : x - Step 2: Convert to fraction form
100,926,225.15/139,278,246.75 = 54,516,479.53/x - Step 3: Cross multiply
100,926,225.15x = 139,278,246.75 × 54,516,479.53 - Step 4: Simplify right side
100,926,225.15x = 7,592,959,686,951,690 - Step 5: Solve for x
x = 7,592,959,686,951,690/100,926,225.15 - Step 6: Final answer
x = 75,232,772.01
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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.