Home / 214,067,725.20-321,101,587.80-189,408,862.80

Finding the Fourth Proportional to 214,067,725.20, 321,101,587.80 and 189,408,862.80

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Solution

The fourth proportional to 214,067,725.20, 321,101,587.80 and 189,408,862.80 is: 284,113,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,067,725.20 : 321,101,587.80 = 189,408,862.80 : x
  2. Step 2: Convert to fraction form
    214,067,725.20/321,101,587.80 = 189,408,862.80/x
  3. Step 3: Cross multiply
    214,067,725.20x = 321,101,587.80 × 189,408,862.80
  4. Step 4: Simplify right side
    214,067,725.20x = 60,819,486,588,472,360
  5. Step 5: Solve for x
    x = 60,819,486,588,472,360/214,067,725.20
  6. Step 6: Final answer
    x = 284,113,294.20

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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.