Home / 187,069,759.20-280,455,339.60-79,275,736.80

Finding the Fourth Proportional to 187,069,759.20, 280,455,339.60 and 79,275,736.80

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Solution

The fourth proportional to 187,069,759.20, 280,455,339.60 and 79,275,736.80 is: 118,850,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,069,759.20 : 280,455,339.60 = 79,275,736.80 : x
  2. Step 2: Convert to fraction form
    187,069,759.20/280,455,339.60 = 79,275,736.80/x
  3. Step 3: Cross multiply
    187,069,759.20x = 280,455,339.60 × 79,275,736.80
  4. Step 4: Simplify right side
    187,069,759.20x = 22,233,303,686,284,220
  5. Step 5: Solve for x
    x = 22,233,303,686,284,220/187,069,759.20
  6. Step 6: Final answer
    x = 118,850,335.73

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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.