Home / 80,380,826.60-120,459,538.87-41,965,712.33

Finding the Fourth Proportional to 80,380,826.60, 120,459,538.87 and 41,965,712.33

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Solution

The fourth proportional to 80,380,826.60, 120,459,538.87 and 41,965,712.33 is: 62,890,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,380,826.60 : 120,459,538.87 = 41,965,712.33 : x
  2. Step 2: Convert to fraction form
    80,380,826.60/120,459,538.87 = 41,965,712.33/x
  3. Step 3: Cross multiply
    80,380,826.60x = 120,459,538.87 × 41,965,712.33
  4. Step 4: Simplify right side
    80,380,826.60x = 5,055,170,354,915,662
  5. Step 5: Solve for x
    x = 5,055,170,354,915,662/80,380,826.60
  6. Step 6: Final answer
    x = 62,890,250.93

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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.