Home / 267,309,713.12-400,964,889.42-73,222,801.61

Finding the Fourth Proportional to 267,309,713.12, 400,964,889.42 and 73,222,801.61

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Solution

The fourth proportional to 267,309,713.12, 400,964,889.42 and 73,222,801.61 is: 109,834,289.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,309,713.12 : 400,964,889.42 = 73,222,801.61 : x
  2. Step 2: Convert to fraction form
    267,309,713.12/400,964,889.42 = 73,222,801.61/x
  3. Step 3: Cross multiply
    267,309,713.12x = 400,964,889.42 × 73,222,801.61
  4. Step 4: Simplify right side
    267,309,713.12x = 29,359,772,548,571,428
  5. Step 5: Solve for x
    x = 29,359,772,548,571,428/267,309,713.12
  6. Step 6: Final answer
    x = 109,834,289.99

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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.