Finding the Fourth Proportional to 227,127,278.43, 340,690,654.74 and 81,560,993.79
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Solution
The fourth proportional to 227,127,278.43, 340,690,654.74 and 81,560,993.79 is: 122,341,396.28
Step by Step Solution
- Step 1: Write the proportion equation
227,127,278.43 : 340,690,654.74 = 81,560,993.79 : x - Step 2: Convert to fraction form
227,127,278.43/340,690,654.74 = 81,560,993.79/x - Step 3: Cross multiply
227,127,278.43x = 340,690,654.74 × 81,560,993.79 - Step 4: Simplify right side
227,127,278.43x = 27,787,068,375,560,176 - Step 5: Solve for x
x = 27,787,068,375,560,176/227,127,278.43 - Step 6: Final answer
x = 122,341,396.28
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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.