Home / 251,659,610.65-377,502,868.07-79,149,876.24

Finding the Fourth Proportional to 251,659,610.65, 377,502,868.07 and 79,149,876.24

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Solution

The fourth proportional to 251,659,610.65, 377,502,868.07 and 79,149,876.24 is: 118,729,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,659,610.65 : 377,502,868.07 = 79,149,876.24 : x
  2. Step 2: Convert to fraction form
    251,659,610.65/377,502,868.07 = 79,149,876.24/x
  3. Step 3: Cross multiply
    251,659,610.65x = 377,502,868.07 × 79,149,876.24
  4. Step 4: Simplify right side
    251,659,610.65x = 29,879,305,288,577,132
  5. Step 5: Solve for x
    x = 29,879,305,288,577,132/251,659,610.65
  6. Step 6: Final answer
    x = 118,729,045.20

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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.