Home / 214,900,956.60-322,419,578.58-76,723,600.92

Finding the Fourth Proportional to 214,900,956.60, 322,419,578.58 and 76,723,600.92

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Solution

The fourth proportional to 214,900,956.60, 322,419,578.58 and 76,723,600.92 is: 115,109,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,900,956.60 : 322,419,578.58 = 76,723,600.92 : x
  2. Step 2: Convert to fraction form
    214,900,956.60/322,419,578.58 = 76,723,600.92/x
  3. Step 3: Cross multiply
    214,900,956.60x = 322,419,578.58 × 76,723,600.92
  4. Step 4: Simplify right side
    214,900,956.60x = 24,737,191,075,766,500
  5. Step 5: Solve for x
    x = 24,737,191,075,766,500/214,900,956.60
  6. Step 6: Final answer
    x = 115,109,729.93

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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.