Finding the Fourth Proportional to 178,791,414.68, 246,752,585.35 and 99,414,390.47
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Solution
The fourth proportional to 178,791,414.68, 246,752,585.35 and 99,414,390.47 is: 137,203,220.37
Step by Step Solution
- Step 1: Write the proportion equation
178,791,414.68 : 246,752,585.35 = 99,414,390.47 : x - Step 2: Convert to fraction form
178,791,414.68/246,752,585.35 = 99,414,390.47/x - Step 3: Cross multiply
178,791,414.68x = 246,752,585.35 × 99,414,390.47 - Step 4: Simplify right side
178,791,414.68x = 24,530,757,867,736,068 - Step 5: Solve for x
x = 24,530,757,867,736,068/178,791,414.68 - Step 6: Final answer
x = 137,203,220.37
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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.