Finding the Fourth Proportional to 247,134,164.32, 341,037,463.96 and 135,622,138.49
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Solution
The fourth proportional to 247,134,164.32, 341,037,463.96 and 135,622,138.49 is: 187,154,334.96
Step by Step Solution
- Step 1: Write the proportion equation
247,134,164.32 : 341,037,463.96 = 135,622,138.49 : x - Step 2: Convert to fraction form
247,134,164.32/341,037,463.96 = 135,622,138.49/x - Step 3: Cross multiply
247,134,164.32x = 341,037,463.96 × 135,622,138.49 - Step 4: Simplify right side
247,134,164.32x = 46,252,230,167,206,096 - Step 5: Solve for x
x = 46,252,230,167,206,096/247,134,164.32 - Step 6: Final answer
x = 187,154,334.96
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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.