Home / 192,942,448.20-289,413,672.30-111,313,110.60

Finding the Fourth Proportional to 192,942,448.20, 289,413,672.30 and 111,313,110.60

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Solution

The fourth proportional to 192,942,448.20, 289,413,672.30 and 111,313,110.60 is: 166,969,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,942,448.20 : 289,413,672.30 = 111,313,110.60 : x
  2. Step 2: Convert to fraction form
    192,942,448.20/289,413,672.30 = 111,313,110.60/x
  3. Step 3: Cross multiply
    192,942,448.20x = 289,413,672.30 × 111,313,110.60
  4. Step 4: Simplify right side
    192,942,448.20x = 32,215,536,113,882,056
  5. Step 5: Solve for x
    x = 32,215,536,113,882,056/192,942,448.20
  6. Step 6: Final answer
    x = 166,969,665.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.