Home / 231,150,389.16-318,987,963.36-125,303,477.16

Finding the Fourth Proportional to 231,150,389.16, 318,987,963.36 and 125,303,477.16

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Solution

The fourth proportional to 231,150,389.16, 318,987,963.36 and 125,303,477.16 is: 172,919,029.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,150,389.16 : 318,987,963.36 = 125,303,477.16 : x
  2. Step 2: Convert to fraction form
    231,150,389.16/318,987,963.36 = 125,303,477.16/x
  3. Step 3: Cross multiply
    231,150,389.16x = 318,987,963.36 × 125,303,477.16
  4. Step 4: Simplify right side
    231,150,389.16x = 39,970,300,981,194,680
  5. Step 5: Solve for x
    x = 39,970,300,981,194,680/231,150,389.16
  6. Step 6: Final answer
    x = 172,919,029.58

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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.