Home / 87,831,820.56-121,206,432.60-48,673,517.52

Finding the Fourth Proportional to 87,831,820.56, 121,206,432.60 and 48,673,517.52

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Solution

The fourth proportional to 87,831,820.56, 121,206,432.60 and 48,673,517.52 is: 67,168,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,831,820.56 : 121,206,432.60 = 48,673,517.52 : x
  2. Step 2: Convert to fraction form
    87,831,820.56/121,206,432.60 = 48,673,517.52/x
  3. Step 3: Cross multiply
    87,831,820.56x = 121,206,432.60 × 48,673,517.52
  4. Step 4: Simplify right side
    87,831,820.56x = 5,899,543,420,692,799
  5. Step 5: Solve for x
    x = 5,899,543,420,692,799/87,831,820.56
  6. Step 6: Final answer
    x = 67,168,634.14

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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.