Home / 87,548,198.96-120,819,083.91-47,857,923.12

Finding the Fourth Proportional to 87,548,198.96, 120,819,083.91 and 47,857,923.12

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Solution

The fourth proportional to 87,548,198.96, 120,819,083.91 and 47,857,923.12 is: 66,045,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,548,198.96 : 120,819,083.91 = 47,857,923.12 : x
  2. Step 2: Convert to fraction form
    87,548,198.96/120,819,083.91 = 47,857,923.12/x
  3. Step 3: Cross multiply
    87,548,198.96x = 120,819,083.91 × 47,857,923.12
  4. Step 4: Simplify right side
    87,548,198.96x = 5,782,150,429,467,213
  5. Step 5: Solve for x
    x = 5,782,150,429,467,213/87,548,198.96
  6. Step 6: Final answer
    x = 66,045,338.43

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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.