Home / 115,143,946.82-172,763,659.11-50,414,341.70

Finding the Fourth Proportional to 115,143,946.82, 172,763,659.11 and 50,414,341.70

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Solution

The fourth proportional to 115,143,946.82, 172,763,659.11 and 50,414,341.70 is: 75,642,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,143,946.82 : 172,763,659.11 = 50,414,341.70 : x
  2. Step 2: Convert to fraction form
    115,143,946.82/172,763,659.11 = 50,414,341.70/x
  3. Step 3: Cross multiply
    115,143,946.82x = 172,763,659.11 × 50,414,341.70
  4. Step 4: Simplify right side
    115,143,946.82x = 8,709,766,143,713,859
  5. Step 5: Solve for x
    x = 8,709,766,143,713,859/115,143,946.82
  6. Step 6: Final answer
    x = 75,642,414.42

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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.