Home / 115,143,947.82-172,763,660.61-50,414,342.70

Finding the Fourth Proportional to 115,143,947.82, 172,763,660.61 and 50,414,342.70

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Solution

The fourth proportional to 115,143,947.82, 172,763,660.61 and 50,414,342.70 is: 75,642,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,143,947.82 : 172,763,660.61 = 50,414,342.70 : x
  2. Step 2: Convert to fraction form
    115,143,947.82/172,763,660.61 = 50,414,342.70/x
  3. Step 3: Cross multiply
    115,143,947.82x = 172,763,660.61 × 50,414,342.70
  4. Step 4: Simplify right side
    115,143,947.82x = 8,709,766,392,099,032
  5. Step 5: Solve for x
    x = 8,709,766,392,099,032/115,143,947.82
  6. Step 6: Final answer
    x = 75,642,415.92

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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.