Home / 259,797,556.59-389,824,372.74-121,632,519.39

Finding the Fourth Proportional to 259,797,556.59, 389,824,372.74 and 121,632,519.39

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Solution

The fourth proportional to 259,797,556.59, 389,824,372.74 and 121,632,519.39 is: 182,508,724.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,797,556.59 : 389,824,372.74 = 121,632,519.39 : x
  2. Step 2: Convert to fraction form
    259,797,556.59/389,824,372.74 = 121,632,519.39/x
  3. Step 3: Cross multiply
    259,797,556.59x = 389,824,372.74 × 121,632,519.39
  4. Step 4: Simplify right side
    259,797,556.59x = 47,415,320,575,992,640
  5. Step 5: Solve for x
    x = 47,415,320,575,992,640/259,797,556.59
  6. Step 6: Final answer
    x = 182,508,724.09

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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.