Finding the Fourth Proportional to 168,498,229.20, 252,747,343.80 and 149,366,353.20
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Solution
The fourth proportional to 168,498,229.20, 252,747,343.80 and 149,366,353.20 is: 224,049,529.80
Step by Step Solution
- Step 1: Write the proportion equation
168,498,229.20 : 252,747,343.80 = 149,366,353.20 : x - Step 2: Convert to fraction form
168,498,229.20/252,747,343.80 = 149,366,353.20/x - Step 3: Cross multiply
168,498,229.20x = 252,747,343.80 × 149,366,353.20 - Step 4: Simplify right side
168,498,229.20x = 37,751,949,024,392,632 - Step 5: Solve for x
x = 37,751,949,024,392,632/168,498,229.20 - Step 6: Final answer
x = 224,049,529.80
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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.