Home / 308,147,789.52-425,198,556.18-187,384,174.80

Finding the Fourth Proportional to 308,147,789.52, 425,198,556.18 and 187,384,174.80

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Solution

The fourth proportional to 308,147,789.52, 425,198,556.18 and 187,384,174.80 is: 258,562,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,147,789.52 : 425,198,556.18 = 187,384,174.80 : x
  2. Step 2: Convert to fraction form
    308,147,789.52/425,198,556.18 = 187,384,174.80/x
  3. Step 3: Cross multiply
    308,147,789.52x = 425,198,556.18 × 187,384,174.80
  4. Step 4: Simplify right side
    308,147,789.52x = 79,675,480,575,940,752
  5. Step 5: Solve for x
    x = 79,675,480,575,940,752/308,147,789.52
  6. Step 6: Final answer
    x = 258,562,557.60

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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.