Home / 121,244,512.44-167,317,494.16-65,489,932.56

Finding the Fourth Proportional to 121,244,512.44, 167,317,494.16 and 65,489,932.56

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Solution

The fourth proportional to 121,244,512.44, 167,317,494.16 and 65,489,932.56 is: 90,376,143.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,244,512.44 : 167,317,494.16 = 65,489,932.56 : x
  2. Step 2: Convert to fraction form
    121,244,512.44/167,317,494.16 = 65,489,932.56/x
  3. Step 3: Cross multiply
    121,244,512.44x = 167,317,494.16 × 65,489,932.56
  4. Step 4: Simplify right side
    121,244,512.44x = 10,957,611,408,646,594
  5. Step 5: Solve for x
    x = 10,957,611,408,646,594/121,244,512.44
  6. Step 6: Final answer
    x = 90,376,143.12

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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.