Home / 106,769,468.10-160,154,202.15-72,505,301.70

Finding the Fourth Proportional to 106,769,468.10, 160,154,202.15 and 72,505,301.70

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Solution

The fourth proportional to 106,769,468.10, 160,154,202.15 and 72,505,301.70 is: 108,757,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,769,468.10 : 160,154,202.15 = 72,505,301.70 : x
  2. Step 2: Convert to fraction form
    106,769,468.10/160,154,202.15 = 72,505,301.70/x
  3. Step 3: Cross multiply
    106,769,468.10x = 160,154,202.15 × 72,505,301.70
  4. Step 4: Simplify right side
    106,769,468.10x = 11,612,028,745,408,540
  5. Step 5: Solve for x
    x = 11,612,028,745,408,540/106,769,468.10
  6. Step 6: Final answer
    x = 108,757,952.55

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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.