Home / 126,882,667.38-175,098,080.99-71,878,523.88

Finding the Fourth Proportional to 126,882,667.38, 175,098,080.99 and 71,878,523.88

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Solution

The fourth proportional to 126,882,667.38, 175,098,080.99 and 71,878,523.88 is: 99,192,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,882,667.38 : 175,098,080.99 = 71,878,523.88 : x
  2. Step 2: Convert to fraction form
    126,882,667.38/175,098,080.99 = 71,878,523.88/x
  3. Step 3: Cross multiply
    126,882,667.38x = 175,098,080.99 × 71,878,523.88
  4. Step 4: Simplify right side
    126,882,667.38x = 12,585,791,596,348,660
  5. Step 5: Solve for x
    x = 12,585,791,596,348,660/126,882,667.38
  6. Step 6: Final answer
    x = 99,192,362.96

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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.