Home / 72,502,403.10-108,753,604.65-50,961,327.90

Finding the Fourth Proportional to 72,502,403.10, 108,753,604.65 and 50,961,327.90

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Solution

The fourth proportional to 72,502,403.10, 108,753,604.65 and 50,961,327.90 is: 76,441,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,502,403.10 : 108,753,604.65 = 50,961,327.90 : x
  2. Step 2: Convert to fraction form
    72,502,403.10/108,753,604.65 = 50,961,327.90/x
  3. Step 3: Cross multiply
    72,502,403.10x = 108,753,604.65 × 50,961,327.90
  4. Step 4: Simplify right side
    72,502,403.10x = 5,542,228,106,875,615
  5. Step 5: Solve for x
    x = 5,542,228,106,875,615/72,502,403.10
  6. Step 6: Final answer
    x = 76,441,991.85

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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.