Home / 40,723,301.25-56,198,520.05-22,138,479.81

Finding the Fourth Proportional to 40,723,301.25, 56,198,520.05 and 22,138,479.81

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Solution

The fourth proportional to 40,723,301.25, 56,198,520.05 and 22,138,479.81 is: 30,551,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,723,301.25 : 56,198,520.05 = 22,138,479.81 : x
  2. Step 2: Convert to fraction form
    40,723,301.25/56,198,520.05 = 22,138,479.81/x
  3. Step 3: Cross multiply
    40,723,301.25x = 56,198,520.05 × 22,138,479.81
  4. Step 4: Simplify right side
    40,723,301.25x = 1,244,149,801,368,112.75
  5. Step 5: Solve for x
    x = 1,244,149,801,368,112.75/40,723,301.25
  6. Step 6: Final answer
    x = 30,551,300.19

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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.