Home / 88,019,943.30-132,029,914.95-80,083,757.70

Finding the Fourth Proportional to 88,019,943.30, 132,029,914.95 and 80,083,757.70

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Solution

The fourth proportional to 88,019,943.30, 132,029,914.95 and 80,083,757.70 is: 120,125,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,019,943.30 : 132,029,914.95 = 80,083,757.70 : x
  2. Step 2: Convert to fraction form
    88,019,943.30/132,029,914.95 = 80,083,757.70/x
  3. Step 3: Cross multiply
    88,019,943.30x = 132,029,914.95 × 80,083,757.70
  4. Step 4: Simplify right side
    88,019,943.30x = 10,573,451,718,007,408
  5. Step 5: Solve for x
    x = 10,573,451,718,007,408/88,019,943.30
  6. Step 6: Final answer
    x = 120,125,636.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.