Home / 78,950,835.27-108,918,790.46-52,853,760.66

Finding the Fourth Proportional to 78,950,835.27, 108,918,790.46 and 52,853,760.66

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Solution

The fourth proportional to 78,950,835.27, 108,918,790.46 and 52,853,760.66 is: 72,915,855.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,950,835.27 : 108,918,790.46 = 52,853,760.66 : x
  2. Step 2: Convert to fraction form
    78,950,835.27/108,918,790.46 = 52,853,760.66/x
  3. Step 3: Cross multiply
    78,950,835.27x = 108,918,790.46 × 52,853,760.66
  4. Step 4: Simplify right side
    78,950,835.27x = 5,756,767,682,691,909
  5. Step 5: Solve for x
    x = 5,756,767,682,691,909/78,950,835.27
  6. Step 6: Final answer
    x = 72,915,855.33

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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.