Home / 402,568,827.12-603,785,964.92-111,465,375.75

Finding the Fourth Proportional to 402,568,827.12, 603,785,964.92 and 111,465,375.75

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Solution

The fourth proportional to 402,568,827.12, 603,785,964.92 and 111,465,375.75 is: 167,179,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,568,827.12 : 603,785,964.92 = 111,465,375.75 : x
  2. Step 2: Convert to fraction form
    402,568,827.12/603,785,964.92 = 111,465,375.75/x
  3. Step 3: Cross multiply
    402,568,827.12x = 603,785,964.92 × 111,465,375.75
  4. Step 4: Simplify right side
    402,568,827.12x = 67,301,229,451,826,784
  5. Step 5: Solve for x
    x = 67,301,229,451,826,784/402,568,827.12
  6. Step 6: Final answer
    x = 167,179,435.96

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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.