Finding the Fourth Proportional to 131,935,921.70, 197,958,772.13 and 58,121,924.27
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Solution
The fourth proportional to 131,935,921.70, 197,958,772.13 and 58,121,924.27 is: 87,207,066.99
Step by Step Solution
- Step 1: Write the proportion equation
131,935,921.70 : 197,958,772.13 = 58,121,924.27 : x - Step 2: Convert to fraction form
131,935,921.70/197,958,772.13 = 58,121,924.27/x - Step 3: Cross multiply
131,935,921.70x = 197,958,772.13 × 58,121,924.27 - Step 4: Simplify right side
131,935,921.70x = 11,505,744,761,041,644 - Step 5: Solve for x
x = 11,505,744,761,041,644/131,935,921.70 - Step 6: Final answer
x = 87,207,066.99
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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.