Home / 251,253,399.20-376,891,908.60-78,735,840.80

Finding the Fourth Proportional to 251,253,399.20, 376,891,908.60 and 78,735,840.80

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Solution

The fourth proportional to 251,253,399.20, 376,891,908.60 and 78,735,840.80 is: 118,107,462.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,253,399.20 : 376,891,908.60 = 78,735,840.80 : x
  2. Step 2: Convert to fraction form
    251,253,399.20/376,891,908.60 = 78,735,840.80/x
  3. Step 3: Cross multiply
    251,253,399.20x = 376,891,908.60 × 78,735,840.80
  4. Step 4: Simplify right side
    251,253,399.20x = 29,674,901,314,337,752
  5. Step 5: Solve for x
    x = 29,674,901,314,337,752/251,253,399.20
  6. Step 6: Final answer
    x = 118,107,462.06

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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.