Home / 127,410,874.38-190,186,163.76-109,331,251.56

Finding the Fourth Proportional to 127,410,874.38, 190,186,163.76 and 109,331,251.56

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Solution

The fourth proportional to 127,410,874.38, 190,186,163.76 and 109,331,251.56 is: 163,198,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,410,874.38 : 190,186,163.76 = 109,331,251.56 : x
  2. Step 2: Convert to fraction form
    127,410,874.38/190,186,163.76 = 109,331,251.56/x
  3. Step 3: Cross multiply
    127,410,874.38x = 190,186,163.76 × 109,331,251.56
  4. Step 4: Simplify right side
    127,410,874.38x = 20,793,291,313,275,916
  5. Step 5: Solve for x
    x = 20,793,291,313,275,916/127,410,874.38
  6. Step 6: Final answer
    x = 163,198,717.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.