Home / 225,573,879.68-338,295,178.10-87,368,661.83

Finding the Fourth Proportional to 225,573,879.68, 338,295,178.10 and 87,368,661.83

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Solution

The fourth proportional to 225,573,879.68, 338,295,178.10 and 87,368,661.83 is: 131,027,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,573,879.68 : 338,295,178.10 = 87,368,661.83 : x
  2. Step 2: Convert to fraction form
    225,573,879.68/338,295,178.10 = 87,368,661.83/x
  3. Step 3: Cross multiply
    225,573,879.68x = 338,295,178.10 × 87,368,661.83
  4. Step 4: Simplify right side
    225,573,879.68x = 29,556,397,012,010,208
  5. Step 5: Solve for x
    x = 29,556,397,012,010,208/225,573,879.68
  6. Step 6: Final answer
    x = 131,027,568.68

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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.