Home / 269,150,811.57-371,428,451.37-145,391,489.91

Finding the Fourth Proportional to 269,150,811.57, 371,428,451.37 and 145,391,489.91

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Solution

The fourth proportional to 269,150,811.57, 371,428,451.37 and 145,391,489.91 is: 200,640,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,150,811.57 : 371,428,451.37 = 145,391,489.91 : x
  2. Step 2: Convert to fraction form
    269,150,811.57/371,428,451.37 = 145,391,489.91/x
  3. Step 3: Cross multiply
    269,150,811.57x = 371,428,451.37 × 145,391,489.91
  4. Step 4: Simplify right side
    269,150,811.57x = 54,002,535,939,648,280
  5. Step 5: Solve for x
    x = 54,002,535,939,648,280/269,150,811.57
  6. Step 6: Final answer
    x = 200,640,435.10

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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.