Home / 126,070,910.52-188,718,506.79-82,257,327.77

Finding the Fourth Proportional to 126,070,910.52, 188,718,506.79 and 82,257,327.77

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Solution

The fourth proportional to 126,070,910.52, 188,718,506.79 and 82,257,327.77 is: 123,132,925.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,070,910.52 : 188,718,506.79 = 82,257,327.77 : x
  2. Step 2: Convert to fraction form
    126,070,910.52/188,718,506.79 = 82,257,327.77/x
  3. Step 3: Cross multiply
    126,070,910.52x = 188,718,506.79 × 82,257,327.77
  4. Step 4: Simplify right side
    126,070,910.52x = 15,523,480,069,290,000
  5. Step 5: Solve for x
    x = 15,523,480,069,290,000/126,070,910.52
  6. Step 6: Final answer
    x = 123,132,925.79

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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.