Home / 251,298,904.10-376,983,785.55-78,757,726.10

Finding the Fourth Proportional to 251,298,904.10, 376,983,785.55 and 78,757,726.10

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Solution

The fourth proportional to 251,298,904.10, 376,983,785.55 and 78,757,726.10 is: 118,147,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,298,904.10 : 376,983,785.55 = 78,757,726.10 : x
  2. Step 2: Convert to fraction form
    251,298,904.10/376,983,785.55 = 78,757,726.10/x
  3. Step 3: Cross multiply
    251,298,904.10x = 376,983,785.55 × 78,757,726.10
  4. Step 4: Simplify right side
    251,298,904.10x = 29,690,385,726,488,036
  5. Step 5: Solve for x
    x = 29,690,385,726,488,036/251,298,904.10
  6. Step 6: Final answer
    x = 118,147,692.82

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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.