Home / 87,239,956.42-120,395,874.32-50,069,939.52

Finding the Fourth Proportional to 87,239,956.42, 120,395,874.32 and 50,069,939.52

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Solution

The fourth proportional to 87,239,956.42, 120,395,874.32 and 50,069,939.52 is: 69,099,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,239,956.42 : 120,395,874.32 = 50,069,939.52 : x
  2. Step 2: Convert to fraction form
    87,239,956.42/120,395,874.32 = 50,069,939.52/x
  3. Step 3: Cross multiply
    87,239,956.42x = 120,395,874.32 × 50,069,939.52
  4. Step 4: Simplify right side
    87,239,956.42x = 6,028,214,145,659,921
  5. Step 5: Solve for x
    x = 6,028,214,145,659,921/87,239,956.42
  6. Step 6: Final answer
    x = 69,099,233.80

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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.