Home / 196,321,239.80-270,923,244.84-108,216,708.80

Finding the Fourth Proportional to 196,321,239.80, 270,923,244.84 and 108,216,708.80

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Solution

The fourth proportional to 196,321,239.80, 270,923,244.84 and 108,216,708.80 is: 149,339,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,321,239.80 : 270,923,244.84 = 108,216,708.80 : x
  2. Step 2: Convert to fraction form
    196,321,239.80/270,923,244.84 = 108,216,708.80/x
  3. Step 3: Cross multiply
    196,321,239.80x = 270,923,244.84 × 108,216,708.80
  4. Step 4: Simplify right side
    196,321,239.80x = 29,318,421,893,730,836
  5. Step 5: Solve for x
    x = 29,318,421,893,730,836/196,321,239.80
  6. Step 6: Final answer
    x = 149,339,021.72

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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.