Home / 91,265,028,919.20-125,800,217,507.97-71,942,979,082.86

Finding the Fourth Proportional to 91,265,028,919.20, 125,800,217,507.97 and 71,942,979,082.86

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Solution

The fourth proportional to 91,265,028,919.20, 125,800,217,507.97 and 71,942,979,082.86 is: 99,166,597,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,265,028,919.20 : 125,800,217,507.97 = 71,942,979,082.86 : x
  2. Step 2: Convert to fraction form
    91,265,028,919.20/125,800,217,507.97 = 71,942,979,082.86/x
  3. Step 3: Cross multiply
    91,265,028,919.20x = 125,800,217,507.97 × 71,942,979,082.86
  4. Step 4: Simplify right side
    91,265,028,919.20x = 9,050,442,416,795,123,974,144
  5. Step 5: Solve for x
    x = 9,050,442,416,795,123,974,144/91,265,028,919.20
  6. Step 6: Final answer
    x = 99,166,597,808.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.