Home / 378,711,896.60-567,726,780.90-136,204,272.92

Finding the Fourth Proportional to 378,711,896.60, 567,726,780.90 and 136,204,272.92

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Solution

The fourth proportional to 378,711,896.60, 567,726,780.90 and 136,204,272.92 is: 204,183,745.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,711,896.60 : 567,726,780.90 = 136,204,272.92 : x
  2. Step 2: Convert to fraction form
    378,711,896.60/567,726,780.90 = 136,204,272.92/x
  3. Step 3: Cross multiply
    378,711,896.60x = 567,726,780.90 × 136,204,272.92
  4. Step 4: Simplify right side
    378,711,896.60x = 77,326,813,409,696,640
  5. Step 5: Solve for x
    x = 77,326,813,409,696,640/378,711,896.60
  6. Step 6: Final answer
    x = 204,183,745.23

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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.