Finding the Fourth Proportional to 147,177,764.18, 203,114,232.70 and 81,098,182.48
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Solution
The fourth proportional to 147,177,764.18, 203,114,232.70 and 81,098,182.48 is: 111,920,405.91
Step by Step Solution
- Step 1: Write the proportion equation
147,177,764.18 : 203,114,232.70 = 81,098,182.48 : x - Step 2: Convert to fraction form
147,177,764.18/203,114,232.70 = 81,098,182.48/x - Step 3: Cross multiply
147,177,764.18x = 203,114,232.70 × 81,098,182.48 - Step 4: Simplify right side
147,177,764.18x = 16,472,195,107,915,864 - Step 5: Solve for x
x = 16,472,195,107,915,864/147,177,764.18 - Step 6: Final answer
x = 111,920,405.91
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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.