Home / 138,327,322.20-207,490,983.30-36,091,359.83

Finding the Fourth Proportional to 138,327,322.20, 207,490,983.30 and 36,091,359.83

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Solution

The fourth proportional to 138,327,322.20, 207,490,983.30 and 36,091,359.83 is: 54,137,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,327,322.20 : 207,490,983.30 = 36,091,359.83 : x
  2. Step 2: Convert to fraction form
    138,327,322.20/207,490,983.30 = 36,091,359.83/x
  3. Step 3: Cross multiply
    138,327,322.20x = 207,490,983.30 × 36,091,359.83
  4. Step 4: Simplify right side
    138,327,322.20x = 7,488,631,738,723,367
  5. Step 5: Solve for x
    x = 7,488,631,738,723,367/138,327,322.20
  6. Step 6: Final answer
    x = 54,137,039.74

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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.