Home / 214,067,711.70-321,101,567.55-189,408,849.30

Finding the Fourth Proportional to 214,067,711.70, 321,101,567.55 and 189,408,849.30

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Solution

The fourth proportional to 214,067,711.70, 321,101,567.55 and 189,408,849.30 is: 284,113,273.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,067,711.70 : 321,101,567.55 = 189,408,849.30 : x
  2. Step 2: Convert to fraction form
    214,067,711.70/321,101,567.55 = 189,408,849.30/x
  3. Step 3: Cross multiply
    214,067,711.70x = 321,101,567.55 × 189,408,849.30
  4. Step 4: Simplify right side
    214,067,711.70x = 60,819,478,418,071,728
  5. Step 5: Solve for x
    x = 60,819,478,418,071,728/214,067,711.70
  6. Step 6: Final answer
    x = 284,113,273.95

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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.