Home / 143,940,474,800.62-198,644,099,258.94-79,711,199,109.18

Finding the Fourth Proportional to 143,940,474,800.62, 198,644,099,258.94 and 79,711,199,109.18

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Solution

The fourth proportional to 143,940,474,800.62, 198,644,099,258.94 and 79,711,199,109.18 is: 110,004,912,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,940,474,800.62 : 198,644,099,258.94 = 79,711,199,109.18 : x
  2. Step 2: Convert to fraction form
    143,940,474,800.62/198,644,099,258.94 = 79,711,199,109.18/x
  3. Step 3: Cross multiply
    143,940,474,800.62x = 198,644,099,258.94 × 79,711,199,109.18
  4. Step 4: Simplify right side
    143,940,474,800.62x = 15,834,159,347,893,079,638,016
  5. Step 5: Solve for x
    x = 15,834,159,347,893,079,638,016/143,940,474,800.62
  6. Step 6: Final answer
    x = 110,004,912,585.05

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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.