Finding the Fourth Proportional to 100,926,243.69, 139,278,272.36 and 54,516,498
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Solution
The fourth proportional to 100,926,243.69, 139,278,272.36 and 54,516,498 is: 75,232,797.52
Step by Step Solution
- Step 1: Write the proportion equation
100,926,243.69 : 139,278,272.36 = 54,516,498 : x - Step 2: Convert to fraction form
100,926,243.69/139,278,272.36 = 54,516,498/x - Step 3: Cross multiply
100,926,243.69x = 139,278,272.36 × 54,516,498 - Step 4: Simplify right side
100,926,243.69x = 7,592,963,656,284,812 - Step 5: Solve for x
x = 7,592,963,656,284,812/100,926,243.69 - Step 6: Final answer
x = 75,232,797.52
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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.