Home / 115,150,652.30-172,879,209.32-60,601,544.78

Finding the Fourth Proportional to 115,150,652.30, 172,879,209.32 and 60,601,544.78

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Solution

The fourth proportional to 115,150,652.30, 172,879,209.32 and 60,601,544.78 is: 90,982,959.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,150,652.30 : 172,879,209.32 = 60,601,544.78 : x
  2. Step 2: Convert to fraction form
    115,150,652.30/172,879,209.32 = 60,601,544.78/x
  3. Step 3: Cross multiply
    115,150,652.30x = 172,879,209.32 × 60,601,544.78
  4. Step 4: Simplify right side
    115,150,652.30x = 10,476,747,145,136,974
  5. Step 5: Solve for x
    x = 10,476,747,145,136,974/115,150,652.30
  6. Step 6: Final answer
    x = 90,982,959.59

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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.