Home / 122,912,131.60-184,368,197.40-84,170,082.70

Finding the Fourth Proportional to 122,912,131.60, 184,368,197.40 and 84,170,082.70

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Solution

The fourth proportional to 122,912,131.60, 184,368,197.40 and 84,170,082.70 is: 126,255,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,912,131.60 : 184,368,197.40 = 84,170,082.70 : x
  2. Step 2: Convert to fraction form
    122,912,131.60/184,368,197.40 = 84,170,082.70/x
  3. Step 3: Cross multiply
    122,912,131.60x = 184,368,197.40 × 84,170,082.70
  4. Step 4: Simplify right side
    122,912,131.60x = 15,518,286,422,407,926
  5. Step 5: Solve for x
    x = 15,518,286,422,407,926/122,912,131.60
  6. Step 6: Final answer
    x = 126,255,124.05

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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.