Home / 87,940,043.10-131,910,064.65-73,831,268.70

Finding the Fourth Proportional to 87,940,043.10, 131,910,064.65 and 73,831,268.70

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Solution

The fourth proportional to 87,940,043.10, 131,910,064.65 and 73,831,268.70 is: 110,746,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,940,043.10 : 131,910,064.65 = 73,831,268.70 : x
  2. Step 2: Convert to fraction form
    87,940,043.10/131,910,064.65 = 73,831,268.70/x
  3. Step 3: Cross multiply
    87,940,043.10x = 131,910,064.65 × 73,831,268.70
  4. Step 4: Simplify right side
    87,940,043.10x = 9,739,087,427,408,522
  5. Step 5: Solve for x
    x = 9,739,087,427,408,522/87,940,043.10
  6. Step 6: Final answer
    x = 110,746,903.05

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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.