Home / 325,729,827.36-488,491,067.52-107,339,428.80

Finding the Fourth Proportional to 325,729,827.36, 488,491,067.52 and 107,339,428.80

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Solution

The fourth proportional to 325,729,827.36, 488,491,067.52 and 107,339,428.80 is: 160,974,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,729,827.36 : 488,491,067.52 = 107,339,428.80 : x
  2. Step 2: Convert to fraction form
    325,729,827.36/488,491,067.52 = 107,339,428.80/x
  3. Step 3: Cross multiply
    325,729,827.36x = 488,491,067.52 × 107,339,428.80
  4. Step 4: Simplify right side
    325,729,827.36x = 52,434,352,161,499,032
  5. Step 5: Solve for x
    x = 52,434,352,161,499,032/325,729,827.36
  6. Step 6: Final answer
    x = 160,974,979.13

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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.