Home / 126,070,927.25-188,718,531.84-82,257,344.52

Finding the Fourth Proportional to 126,070,927.25, 188,718,531.84 and 82,257,344.52

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Solution

The fourth proportional to 126,070,927.25, 188,718,531.84 and 82,257,344.52 is: 123,132,950.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,070,927.25 : 188,718,531.84 = 82,257,344.52 : x
  2. Step 2: Convert to fraction form
    126,070,927.25/188,718,531.84 = 82,257,344.52/x
  3. Step 3: Cross multiply
    126,070,927.25x = 188,718,531.84 × 82,257,344.52
  4. Step 4: Simplify right side
    126,070,927.25x = 15,523,485,290,871,470
  5. Step 5: Solve for x
    x = 15,523,485,290,871,470/126,070,927.25
  6. Step 6: Final answer
    x = 123,132,950.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.