Home / 307,375,738.20-424,177,249.77-166,247,115.12

Finding the Fourth Proportional to 307,375,738.20, 424,177,249.77 and 166,247,115.12

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Solution

The fourth proportional to 307,375,738.20, 424,177,249.77 and 166,247,115.12 is: 229,420,332.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,375,738.20 : 424,177,249.77 = 166,247,115.12 : x
  2. Step 2: Convert to fraction form
    307,375,738.20/424,177,249.77 = 166,247,115.12/x
  3. Step 3: Cross multiply
    307,375,738.20x = 424,177,249.77 × 166,247,115.12
  4. Step 4: Simplify right side
    307,375,738.20x = 70,518,244,073,798,184
  5. Step 5: Solve for x
    x = 70,518,244,073,798,184/307,375,738.20
  6. Step 6: Final answer
    x = 229,420,332.54

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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.