Home / 196,321,239.30-270,923,244.15-108,216,708.30

Finding the Fourth Proportional to 196,321,239.30, 270,923,244.15 and 108,216,708.30

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Solution

The fourth proportional to 196,321,239.30, 270,923,244.15 and 108,216,708.30 is: 149,339,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,321,239.30 : 270,923,244.15 = 108,216,708.30 : x
  2. Step 2: Convert to fraction form
    196,321,239.30/270,923,244.15 = 108,216,708.30/x
  3. Step 3: Cross multiply
    196,321,239.30x = 270,923,244.15 × 108,216,708.30
  4. Step 4: Simplify right side
    196,321,239.30x = 29,318,421,683,707,632
  5. Step 5: Solve for x
    x = 29,318,421,683,707,632/196,321,239.30
  6. Step 6: Final answer
    x = 149,339,021.03

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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.