Home / 260,794,512.72-391,248,222.84-79,055,395.92

Finding the Fourth Proportional to 260,794,512.72, 391,248,222.84 and 79,055,395.92

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Solution

The fourth proportional to 260,794,512.72, 391,248,222.84 and 79,055,395.92 is: 118,600,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,794,512.72 : 391,248,222.84 = 79,055,395.92 : x
  2. Step 2: Convert to fraction form
    260,794,512.72/391,248,222.84 = 79,055,395.92/x
  3. Step 3: Cross multiply
    260,794,512.72x = 391,248,222.84 × 79,055,395.92
  4. Step 4: Simplify right side
    260,794,512.72x = 30,930,283,159,612,584
  5. Step 5: Solve for x
    x = 30,930,283,159,612,584/260,794,512.72
  6. Step 6: Final answer
    x = 118,600,206.87

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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.