Home / 133,059,778.20-199,589,667.30-75,529,819.80

Finding the Fourth Proportional to 133,059,778.20, 199,589,667.30 and 75,529,819.80

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Solution

The fourth proportional to 133,059,778.20, 199,589,667.30 and 75,529,819.80 is: 113,294,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,059,778.20 : 199,589,667.30 = 75,529,819.80 : x
  2. Step 2: Convert to fraction form
    133,059,778.20/199,589,667.30 = 75,529,819.80/x
  3. Step 3: Cross multiply
    133,059,778.20x = 199,589,667.30 × 75,529,819.80
  4. Step 4: Simplify right side
    133,059,778.20x = 15,074,971,605,110,952
  5. Step 5: Solve for x
    x = 15,074,971,605,110,952/133,059,778.20
  6. Step 6: Final answer
    x = 113,294,729.70

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1.5x scale

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.