Home / 227,083,907.25-313,375,917.94-122,661,979.16

Finding the Fourth Proportional to 227,083,907.25, 313,375,917.94 and 122,661,979.16

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Solution

The fourth proportional to 227,083,907.25, 313,375,917.94 and 122,661,979.16 is: 169,273,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,083,907.25 : 313,375,917.94 = 122,661,979.16 : x
  2. Step 2: Convert to fraction form
    227,083,907.25/313,375,917.94 = 122,661,979.16/x
  3. Step 3: Cross multiply
    227,083,907.25x = 313,375,917.94 × 122,661,979.16
  4. Step 4: Simplify right side
    227,083,907.25x = 38,439,310,313,728,616
  5. Step 5: Solve for x
    x = 38,439,310,313,728,616/227,083,907.25
  6. Step 6: Final answer
    x = 169,273,599.26

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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.