Home / 140,951,861.20-211,364,806.20-54,661,589.20

Finding the Fourth Proportional to 140,951,861.20, 211,364,806.20 and 54,661,589.20

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Solution

The fourth proportional to 140,951,861.20, 211,364,806.20 and 54,661,589.20 is: 81,967,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,951,861.20 : 211,364,806.20 = 54,661,589.20 : x
  2. Step 2: Convert to fraction form
    140,951,861.20/211,364,806.20 = 54,661,589.20/x
  3. Step 3: Cross multiply
    140,951,861.20x = 211,364,806.20 × 54,661,589.20
  4. Step 4: Simplify right side
    140,951,861.20x = 11,553,536,207,842,014
  5. Step 5: Solve for x
    x = 11,553,536,207,842,014/140,951,861.20
  6. Step 6: Final answer
    x = 81,967,957.78

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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.