Home / 199,552,759.20-299,329,138.80-165,960,439.20

Finding the Fourth Proportional to 199,552,759.20, 299,329,138.80 and 165,960,439.20

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Solution

The fourth proportional to 199,552,759.20, 299,329,138.80 and 165,960,439.20 is: 248,940,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,552,759.20 : 299,329,138.80 = 165,960,439.20 : x
  2. Step 2: Convert to fraction form
    199,552,759.20/299,329,138.80 = 165,960,439.20/x
  3. Step 3: Cross multiply
    199,552,759.20x = 299,329,138.80 × 165,960,439.20
  4. Step 4: Simplify right side
    199,552,759.20x = 49,676,795,340,605,760
  5. Step 5: Solve for x
    x = 49,676,795,340,605,760/199,552,759.20
  6. Step 6: Final answer
    x = 248,940,658.80

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1.5x scale

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.