Home / 87,475,758.35-120,716,247.21-50,304,283.79

Finding the Fourth Proportional to 87,475,758.35, 120,716,247.21 and 50,304,283.79

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Solution

The fourth proportional to 87,475,758.35, 120,716,247.21 and 50,304,283.79 is: 69,419,739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,475,758.35 : 120,716,247.21 = 50,304,283.79 : x
  2. Step 2: Convert to fraction form
    87,475,758.35/120,716,247.21 = 50,304,283.79/x
  3. Step 3: Cross multiply
    87,475,758.35x = 120,716,247.21 × 50,304,283.79
  4. Step 4: Simplify right side
    87,475,758.35x = 6,072,544,357,715,635
  5. Step 5: Solve for x
    x = 6,072,544,357,715,635/87,475,758.35
  6. Step 6: Final answer
    x = 69,419,739.51

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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.