Home / 131,452,039.46-197,195,994.48-54,757,131.54

Finding the Fourth Proportional to 131,452,039.46, 197,195,994.48 and 54,757,131.54

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Solution

The fourth proportional to 131,452,039.46, 197,195,994.48 and 54,757,131.54 is: 82,143,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,452,039.46 : 197,195,994.48 = 54,757,131.54 : x
  2. Step 2: Convert to fraction form
    131,452,039.46/197,195,994.48 = 54,757,131.54/x
  3. Step 3: Cross multiply
    131,452,039.46x = 197,195,994.48 × 54,757,131.54
  4. Step 4: Simplify right side
    131,452,039.46x = 10,797,887,008,902,474
  5. Step 5: Solve for x
    x = 10,797,887,008,902,474/131,452,039.46
  6. Step 6: Final answer
    x = 82,143,168.36

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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.