Home / 234,202,178.61-323,200,932.03-129,781,993.77

Finding the Fourth Proportional to 234,202,178.61, 323,200,932.03 and 129,781,993.77

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Solution

The fourth proportional to 234,202,178.61, 323,200,932.03 and 129,781,993.77 is: 179,100,218.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,202,178.61 : 323,200,932.03 = 129,781,993.77 : x
  2. Step 2: Convert to fraction form
    234,202,178.61/323,200,932.03 = 129,781,993.77/x
  3. Step 3: Cross multiply
    234,202,178.61x = 323,200,932.03 × 129,781,993.77
  4. Step 4: Simplify right side
    234,202,178.61x = 41,945,661,347,175,648
  5. Step 5: Solve for x
    x = 41,945,661,347,175,648/234,202,178.61
  6. Step 6: Final answer
    x = 179,100,218.44

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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.