Home / 138,327,325.20-207,490,987.80-36,091,362.83

Finding the Fourth Proportional to 138,327,325.20, 207,490,987.80 and 36,091,362.83

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Solution

The fourth proportional to 138,327,325.20, 207,490,987.80 and 36,091,362.83 is: 54,137,044.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,327,325.20 : 207,490,987.80 = 36,091,362.83 : x
  2. Step 2: Convert to fraction form
    138,327,325.20/207,490,987.80 = 36,091,362.83/x
  3. Step 3: Cross multiply
    138,327,325.20x = 207,490,987.80 × 36,091,362.83
  4. Step 4: Simplify right side
    138,327,325.20x = 7,488,632,523,607,450
  5. Step 5: Solve for x
    x = 7,488,632,523,607,450/138,327,325.20
  6. Step 6: Final answer
    x = 54,137,044.24

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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.