Home / 214,067,713.20-321,101,569.80-189,408,850.80

Finding the Fourth Proportional to 214,067,713.20, 321,101,569.80 and 189,408,850.80

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Solution

The fourth proportional to 214,067,713.20, 321,101,569.80 and 189,408,850.80 is: 284,113,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,067,713.20 : 321,101,569.80 = 189,408,850.80 : x
  2. Step 2: Convert to fraction form
    214,067,713.20/321,101,569.80 = 189,408,850.80/x
  3. Step 3: Cross multiply
    214,067,713.20x = 321,101,569.80 × 189,408,850.80
  4. Step 4: Simplify right side
    214,067,713.20x = 60,819,479,325,893,992
  5. Step 5: Solve for x
    x = 60,819,479,325,893,992/214,067,713.20
  6. Step 6: Final answer
    x = 284,113,276.20

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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.