Home / 142,694,400.33-196,914,923.25-83,960,869.62

Finding the Fourth Proportional to 142,694,400.33, 196,914,923.25 and 83,960,869.62

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Solution

The fourth proportional to 142,694,400.33, 196,914,923.25 and 83,960,869.62 is: 115,864,029.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,694,400.33 : 196,914,923.25 = 83,960,869.62 : x
  2. Step 2: Convert to fraction form
    142,694,400.33/196,914,923.25 = 83,960,869.62/x
  3. Step 3: Cross multiply
    142,694,400.33x = 196,914,923.25 × 83,960,869.62
  4. Step 4: Simplify right side
    142,694,400.33x = 16,533,148,197,225,558
  5. Step 5: Solve for x
    x = 16,533,148,197,225,558/142,694,400.33
  6. Step 6: Final answer
    x = 115,864,029.42

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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.