Home / 126,070,908.52-188,718,503.80-82,257,325.77

Finding the Fourth Proportional to 126,070,908.52, 188,718,503.80 and 82,257,325.77

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Solution

The fourth proportional to 126,070,908.52, 188,718,503.80 and 82,257,325.77 is: 123,132,922.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,070,908.52 : 188,718,503.80 = 82,257,325.77 : x
  2. Step 2: Convert to fraction form
    126,070,908.52/188,718,503.80 = 82,257,325.77/x
  3. Step 3: Cross multiply
    126,070,908.52x = 188,718,503.80 × 82,257,325.77
  4. Step 4: Simplify right side
    126,070,908.52x = 15,523,479,444,736,094
  5. Step 5: Solve for x
    x = 15,523,479,444,736,094/126,070,908.52
  6. Step 6: Final answer
    x = 123,132,922.79

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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.