Home / 121,244,487.66-167,317,460.19-65,489,907.85

Finding the Fourth Proportional to 121,244,487.66, 167,317,460.19 and 65,489,907.85

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Solution

The fourth proportional to 121,244,487.66, 167,317,460.19 and 65,489,907.85 is: 90,376,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,244,487.66 : 167,317,460.19 = 65,489,907.85 : x
  2. Step 2: Convert to fraction form
    121,244,487.66/167,317,460.19 = 65,489,907.85/x
  3. Step 3: Cross multiply
    121,244,487.66x = 167,317,460.19 × 65,489,907.85
  4. Step 4: Simplify right side
    121,244,487.66x = 10,957,605,049,120,850
  5. Step 5: Solve for x
    x = 10,957,605,049,120,850/121,244,487.66
  6. Step 6: Final answer
    x = 90,376,109.14

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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.