Home / 214,067,712.70-321,101,569.05-189,408,850.30

Finding the Fourth Proportional to 214,067,712.70, 321,101,569.05 and 189,408,850.30

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Solution

The fourth proportional to 214,067,712.70, 321,101,569.05 and 189,408,850.30 is: 284,113,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,067,712.70 : 321,101,569.05 = 189,408,850.30 : x
  2. Step 2: Convert to fraction form
    214,067,712.70/321,101,569.05 = 189,408,850.30/x
  3. Step 3: Cross multiply
    214,067,712.70x = 321,101,569.05 × 189,408,850.30
  4. Step 4: Simplify right side
    214,067,712.70x = 60,819,479,023,286,568
  5. Step 5: Solve for x
    x = 60,819,479,023,286,568/214,067,712.70
  6. Step 6: Final answer
    x = 284,113,275.45

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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.