Finding the Fourth Proportional to 247,811,269.38, 341,979,727.14 and 136,310,593.44
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Solution
The fourth proportional to 247,811,269.38, 341,979,727.14 and 136,310,593.44 is: 188,108,715.42
Step by Step Solution
- Step 1: Write the proportion equation
247,811,269.38 : 341,979,727.14 = 136,310,593.44 : x - Step 2: Convert to fraction form
247,811,269.38/341,979,727.14 = 136,310,593.44/x - Step 3: Cross multiply
247,811,269.38x = 341,979,727.14 × 136,310,593.44 - Step 4: Simplify right side
247,811,269.38x = 46,615,459,550,902,672 - Step 5: Solve for x
x = 46,615,459,550,902,672/247,811,269.38 - Step 6: Final answer
x = 188,108,715.42
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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.