Home / 251,960,834.40-378,109,213.20-115,576,015.20

Finding the Fourth Proportional to 251,960,834.40, 378,109,213.20 and 115,576,015.20

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Solution

The fourth proportional to 251,960,834.40, 378,109,213.20 and 115,576,015.20 is: 173,441,067.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,960,834.40 : 378,109,213.20 = 115,576,015.20 : x
  2. Step 2: Convert to fraction form
    251,960,834.40/378,109,213.20 = 115,576,015.20/x
  3. Step 3: Cross multiply
    251,960,834.40x = 378,109,213.20 × 115,576,015.20
  4. Step 4: Simplify right side
    251,960,834.40x = 43,700,356,172,063,240
  5. Step 5: Solve for x
    x = 43,700,356,172,063,240/251,960,834.40
  6. Step 6: Final answer
    x = 173,441,067.84

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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.