Home / 143,940,474,798.89-198,644,099,256.56-79,711,199,107.46

Finding the Fourth Proportional to 143,940,474,798.89, 198,644,099,256.56 and 79,711,199,107.46

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Solution

The fourth proportional to 143,940,474,798.89, 198,644,099,256.56 and 79,711,199,107.46 is: 110,004,912,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,940,474,798.89 : 198,644,099,256.56 = 79,711,199,107.46 : x
  2. Step 2: Convert to fraction form
    143,940,474,798.89/198,644,099,256.56 = 79,711,199,107.46/x
  3. Step 3: Cross multiply
    143,940,474,798.89x = 198,644,099,256.56 × 79,711,199,107.46
  4. Step 4: Simplify right side
    143,940,474,798.89x = 15,834,159,347,361,703,264,256
  5. Step 5: Solve for x
    x = 15,834,159,347,361,703,264,256/143,940,474,798.89
  6. Step 6: Final answer
    x = 110,004,912,582.68

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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.