Home / 142,694,398.33-196,914,920.49-83,960,867.61

Finding the Fourth Proportional to 142,694,398.33, 196,914,920.49 and 83,960,867.61

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Solution

The fourth proportional to 142,694,398.33, 196,914,920.49 and 83,960,867.61 is: 115,864,026.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,694,398.33 : 196,914,920.49 = 83,960,867.61 : x
  2. Step 2: Convert to fraction form
    142,694,398.33/196,914,920.49 = 83,960,867.61/x
  3. Step 3: Cross multiply
    142,694,398.33x = 196,914,920.49 × 83,960,867.61
  4. Step 4: Simplify right side
    142,694,398.33x = 16,533,147,569,694,568
  5. Step 5: Solve for x
    x = 16,533,147,569,694,568/142,694,398.33
  6. Step 6: Final answer
    x = 115,864,026.64

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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.