Home / 87,164,773.38-120,295,883.57-65,099,965.82

Finding the Fourth Proportional to 87,164,773.38, 120,295,883.57 and 65,099,965.82

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Solution

The fourth proportional to 87,164,773.38, 120,295,883.57 and 65,099,965.82 is: 89,844,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,164,773.38 : 120,295,883.57 = 65,099,965.82 : x
  2. Step 2: Convert to fraction form
    87,164,773.38/120,295,883.57 = 65,099,965.82/x
  3. Step 3: Cross multiply
    87,164,773.38x = 120,295,883.57 × 65,099,965.82
  4. Step 4: Simplify right side
    87,164,773.38x = 7,831,257,907,766,720
  5. Step 5: Solve for x
    x = 7,831,257,907,766,720/87,164,773.38
  6. Step 6: Final answer
    x = 89,844,298.38

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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.