Home / 251,122,228.20-376,480,067.94-78,510,191.40

Finding the Fourth Proportional to 251,122,228.20, 376,480,067.94 and 78,510,191.40

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Solution

The fourth proportional to 251,122,228.20, 376,480,067.94 and 78,510,191.40 is: 117,701,735.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,122,228.20 : 376,480,067.94 = 78,510,191.40 : x
  2. Step 2: Convert to fraction form
    251,122,228.20/376,480,067.94 = 78,510,191.40/x
  3. Step 3: Cross multiply
    251,122,228.20x = 376,480,067.94 × 78,510,191.40
  4. Step 4: Simplify right side
    251,122,228.20x = 29,557,522,192,254,404
  5. Step 5: Solve for x
    x = 29,557,522,192,254,404/251,122,228.20
  6. Step 6: Final answer
    x = 117,701,735.94

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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.