Home / 143,940,474,774.39-198,644,099,222.73-79,711,199,082.98

Finding the Fourth Proportional to 143,940,474,774.39, 198,644,099,222.73 and 79,711,199,082.98

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Solution

The fourth proportional to 143,940,474,774.39, 198,644,099,222.73 and 79,711,199,082.98 is: 110,004,912,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,940,474,774.39 : 198,644,099,222.73 = 79,711,199,082.98 : x
  2. Step 2: Convert to fraction form
    143,940,474,774.39/198,644,099,222.73 = 79,711,199,082.98/x
  3. Step 3: Cross multiply
    143,940,474,774.39x = 198,644,099,222.73 × 79,711,199,082.98
  4. Step 4: Simplify right side
    143,940,474,774.39x = 15,834,159,339,801,273,171,968
  5. Step 5: Solve for x
    x = 15,834,159,339,801,273,171,968/143,940,474,774.39
  6. Step 6: Final answer
    x = 110,004,912,548.88

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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.