Home / 206,467,067.40-309,700,601.10-124,837,729.80

Finding the Fourth Proportional to 206,467,067.40, 309,700,601.10 and 124,837,729.80

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Solution

The fourth proportional to 206,467,067.40, 309,700,601.10 and 124,837,729.80 is: 187,256,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,467,067.40 : 309,700,601.10 = 124,837,729.80 : x
  2. Step 2: Convert to fraction form
    206,467,067.40/309,700,601.10 = 124,837,729.80/x
  3. Step 3: Cross multiply
    206,467,067.40x = 309,700,601.10 × 124,837,729.80
  4. Step 4: Simplify right side
    206,467,067.40x = 38,662,319,959,019,384
  5. Step 5: Solve for x
    x = 38,662,319,959,019,384/206,467,067.40
  6. Step 6: Final answer
    x = 187,256,594.70

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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.