Home / 115,150,650.30-172,879,206.32-60,601,542.78

Finding the Fourth Proportional to 115,150,650.30, 172,879,206.32 and 60,601,542.78

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Solution

The fourth proportional to 115,150,650.30, 172,879,206.32 and 60,601,542.78 is: 90,982,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,150,650.30 : 172,879,206.32 = 60,601,542.78 : x
  2. Step 2: Convert to fraction form
    115,150,650.30/172,879,206.32 = 60,601,542.78/x
  3. Step 3: Cross multiply
    115,150,650.30x = 172,879,206.32 × 60,601,542.78
  4. Step 4: Simplify right side
    115,150,650.30x = 10,476,746,617,270,918
  5. Step 5: Solve for x
    x = 10,476,746,617,270,918/115,150,650.30
  6. Step 6: Final answer
    x = 90,982,956.59

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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.