Home / 143,940,474,801.58-198,644,099,260.26-79,711,199,110.14

Finding the Fourth Proportional to 143,940,474,801.58, 198,644,099,260.26 and 79,711,199,110.14

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Solution

The fourth proportional to 143,940,474,801.58, 198,644,099,260.26 and 79,711,199,110.14 is: 110,004,912,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,940,474,801.58 : 198,644,099,260.26 = 79,711,199,110.14 : x
  2. Step 2: Convert to fraction form
    143,940,474,801.58/198,644,099,260.26 = 79,711,199,110.14/x
  3. Step 3: Cross multiply
    143,940,474,801.58x = 198,644,099,260.26 × 79,711,199,110.14
  4. Step 4: Simplify right side
    143,940,474,801.58x = 15,834,159,348,189,000,368,128
  5. Step 5: Solve for x
    x = 15,834,159,348,189,000,368,128/143,940,474,801.58
  6. Step 6: Final answer
    x = 110,004,912,586.37

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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.