Home / 259,797,553.59-389,824,368.24-121,632,516.39

Finding the Fourth Proportional to 259,797,553.59, 389,824,368.24 and 121,632,516.39

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Solution

The fourth proportional to 259,797,553.59, 389,824,368.24 and 121,632,516.39 is: 182,508,719.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,797,553.59 : 389,824,368.24 = 121,632,516.39 : x
  2. Step 2: Convert to fraction form
    259,797,553.59/389,824,368.24 = 121,632,516.39/x
  3. Step 3: Cross multiply
    259,797,553.59x = 389,824,368.24 × 121,632,516.39
  4. Step 4: Simplify right side
    259,797,553.59x = 47,415,318,859,173,200
  5. Step 5: Solve for x
    x = 47,415,318,859,173,200/259,797,553.59
  6. Step 6: Final answer
    x = 182,508,719.59

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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.