Home / 196,347,811.20-270,960,797.88-108,239,873.28

Finding the Fourth Proportional to 196,347,811.20, 270,960,797.88 and 108,239,873.28

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Solution

The fourth proportional to 196,347,811.20, 270,960,797.88 and 108,239,873.28 is: 149,371,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,347,811.20 : 270,960,797.88 = 108,239,873.28 : x
  2. Step 2: Convert to fraction form
    196,347,811.20/270,960,797.88 = 108,239,873.28/x
  3. Step 3: Cross multiply
    196,347,811.20x = 270,960,797.88 × 108,239,873.28
  4. Step 4: Simplify right side
    196,347,811.20x = 29,328,762,426,378,892
  5. Step 5: Solve for x
    x = 29,328,762,426,378,892/196,347,811.20
  6. Step 6: Final answer
    x = 149,371,476.30

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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.