Home / 79,447,850.31-119,174,011.85-21,940,121.48

Finding the Fourth Proportional to 79,447,850.31, 119,174,011.85 and 21,940,121.48

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Solution

The fourth proportional to 79,447,850.31, 119,174,011.85 and 21,940,121.48 is: 32,910,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,447,850.31 : 119,174,011.85 = 21,940,121.48 : x
  2. Step 2: Convert to fraction form
    79,447,850.31/119,174,011.85 = 21,940,121.48/x
  3. Step 3: Cross multiply
    79,447,850.31x = 119,174,011.85 × 21,940,121.48
  4. Step 4: Simplify right side
    79,447,850.31x = 2,614,692,297,247,959.50
  5. Step 5: Solve for x
    x = 2,614,692,297,247,959.50/79,447,850.31
  6. Step 6: Final answer
    x = 32,910,799.81

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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.