Home / 121,244,462.30-167,317,425.11-65,489,882.46

Finding the Fourth Proportional to 121,244,462.30, 167,317,425.11 and 65,489,882.46

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Solution

The fourth proportional to 121,244,462.30, 167,317,425.11 and 65,489,882.46 is: 90,376,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,244,462.30 : 167,317,425.11 = 65,489,882.46 : x
  2. Step 2: Convert to fraction form
    121,244,462.30/167,317,425.11 = 65,489,882.46/x
  3. Step 3: Cross multiply
    121,244,462.30x = 167,317,425.11 × 65,489,882.46
  4. Step 4: Simplify right side
    121,244,462.30x = 10,957,598,503,127,166
  5. Step 5: Solve for x
    x = 10,957,598,503,127,166/121,244,462.30
  6. Step 6: Final answer
    x = 90,376,074.05

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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.