Home / 304,141,545-419,723,584.92-172,002,301.50

Finding the Fourth Proportional to 304,141,545, 419,723,584.92 and 172,002,301.50

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Solution

The fourth proportional to 304,141,545, 419,723,584.92 and 172,002,301.50 is: 237,367,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,141,545 : 419,723,584.92 = 172,002,301.50 : x
  2. Step 2: Convert to fraction form
    304,141,545/419,723,584.92 = 172,002,301.50/x
  3. Step 3: Cross multiply
    304,141,545x = 419,723,584.92 × 172,002,301.50
  4. Step 4: Simplify right side
    304,141,545x = 72,193,422,600,070,704
  5. Step 5: Solve for x
    x = 72,193,422,600,070,704/304,141,545
  6. Step 6: Final answer
    x = 237,367,843.32

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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.