Home / 227,083,911.31-313,375,923.56-122,661,983.21

Finding the Fourth Proportional to 227,083,911.31, 313,375,923.56 and 122,661,983.21

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Solution

The fourth proportional to 227,083,911.31, 313,375,923.56 and 122,661,983.21 is: 169,273,604.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,083,911.31 : 313,375,923.56 = 122,661,983.21 : x
  2. Step 2: Convert to fraction form
    227,083,911.31/313,375,923.56 = 122,661,983.21/x
  3. Step 3: Cross multiply
    227,083,911.31x = 313,375,923.56 × 122,661,983.21
  4. Step 4: Simplify right side
    227,083,911.31x = 38,439,312,272,874,736
  5. Step 5: Solve for x
    x = 38,439,312,272,874,736/227,083,911.31
  6. Step 6: Final answer
    x = 169,273,604.86

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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.