Home / 120,225,469.25-165,897,150.67-67,305,074.75

Finding the Fourth Proportional to 120,225,469.25, 165,897,150.67 and 67,305,074.75

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Solution

The fourth proportional to 120,225,469.25, 165,897,150.67 and 67,305,074.75 is: 92,873,167.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,225,469.25 : 165,897,150.67 = 67,305,074.75 : x
  2. Step 2: Convert to fraction form
    120,225,469.25/165,897,150.67 = 67,305,074.75/x
  3. Step 3: Cross multiply
    120,225,469.25x = 165,897,150.67 × 67,305,074.75
  4. Step 4: Simplify right side
    120,225,469.25x = 11,165,720,126,533,122
  5. Step 5: Solve for x
    x = 11,165,720,126,533,122/120,225,469.25
  6. Step 6: Final answer
    x = 92,873,167.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.