Home / 196,101,136.20-294,151,704.30-130,344,169.80

Finding the Fourth Proportional to 196,101,136.20, 294,151,704.30 and 130,344,169.80

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Solution

The fourth proportional to 196,101,136.20, 294,151,704.30 and 130,344,169.80 is: 195,516,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,101,136.20 : 294,151,704.30 = 130,344,169.80 : x
  2. Step 2: Convert to fraction form
    196,101,136.20/294,151,704.30 = 130,344,169.80/x
  3. Step 3: Cross multiply
    196,101,136.20x = 294,151,704.30 × 130,344,169.80
  4. Step 4: Simplify right side
    196,101,136.20x = 38,340,959,692,238,592
  5. Step 5: Solve for x
    x = 38,340,959,692,238,592/196,101,136.20
  6. Step 6: Final answer
    x = 195,516,254.70

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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.