Home / 87,004,514.07-120,032,247.53-49,814,918.73

Finding the Fourth Proportional to 87,004,514.07, 120,032,247.53 and 49,814,918.73

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Solution

The fourth proportional to 87,004,514.07, 120,032,247.53 and 49,814,918.73 is: 68,725,131.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,004,514.07 : 120,032,247.53 = 49,814,918.73 : x
  2. Step 2: Convert to fraction form
    87,004,514.07/120,032,247.53 = 49,814,918.73/x
  3. Step 3: Cross multiply
    87,004,514.07x = 120,032,247.53 × 49,814,918.73
  4. Step 4: Simplify right side
    87,004,514.07x = 5,979,396,655,810,730
  5. Step 5: Solve for x
    x = 5,979,396,655,810,730/87,004,514.07
  6. Step 6: Final answer
    x = 68,725,131.33

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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.