Home / 247,522,142.32-341,560,559.60-143,106,942.56

Finding the Fourth Proportional to 247,522,142.32, 341,560,559.60 and 143,106,942.56

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Solution

The fourth proportional to 247,522,142.32, 341,560,559.60 and 143,106,942.56 is: 197,476,019.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,522,142.32 : 341,560,559.60 = 143,106,942.56 : x
  2. Step 2: Convert to fraction form
    247,522,142.32/341,560,559.60 = 143,106,942.56/x
  3. Step 3: Cross multiply
    247,522,142.32x = 341,560,559.60 × 143,106,942.56
  4. Step 4: Simplify right side
    247,522,142.32x = 48,879,687,383,438,664
  5. Step 5: Solve for x
    x = 48,879,687,383,438,664/247,522,142.32
  6. Step 6: Final answer
    x = 197,476,019.42

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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.