Finding the Fourth Proportional to 209,439,179.38, 314,053,661.85 and 122,028,944.68
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Solution
The fourth proportional to 209,439,179.38, 314,053,661.85 and 122,028,944.68 is: 182,982,176.70
Step by Step Solution
- Step 1: Write the proportion equation
209,439,179.38 : 314,053,661.85 = 122,028,944.68 : x - Step 2: Convert to fraction form
209,439,179.38/314,053,661.85 = 122,028,944.68/x - Step 3: Cross multiply
209,439,179.38x = 314,053,661.85 × 122,028,944.68 - Step 4: Simplify right side
209,439,179.38x = 38,323,636,928,445,080 - Step 5: Solve for x
x = 38,323,636,928,445,080/209,439,179.38 - Step 6: Final answer
x = 182,982,176.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.