Finding the Fourth Proportional to 127,789,581.28, 176,349,614.69 and 69,052,244.73
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Solution
The fourth proportional to 127,789,581.28, 176,349,614.69 and 69,052,244.73 is: 95,292,093.68
Step by Step Solution
- Step 1: Write the proportion equation
127,789,581.28 : 176,349,614.69 = 69,052,244.73 : x - Step 2: Convert to fraction form
127,789,581.28/176,349,614.69 = 69,052,244.73/x - Step 3: Cross multiply
127,789,581.28x = 176,349,614.69 × 69,052,244.73 - Step 4: Simplify right side
127,789,581.28x = 12,177,336,750,608,510 - Step 5: Solve for x
x = 12,177,336,750,608,510/127,789,581.28 - Step 6: Final answer
x = 95,292,093.68
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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.