Home / 196,086,313.20-294,129,469.80-130,329,346.80

Finding the Fourth Proportional to 196,086,313.20, 294,129,469.80 and 130,329,346.80

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Solution

The fourth proportional to 196,086,313.20, 294,129,469.80 and 130,329,346.80 is: 195,494,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,086,313.20 : 294,129,469.80 = 130,329,346.80 : x
  2. Step 2: Convert to fraction form
    196,086,313.20/294,129,469.80 = 130,329,346.80/x
  3. Step 3: Cross multiply
    196,086,313.20x = 294,129,469.80 × 130,329,346.80
  4. Step 4: Simplify right side
    196,086,313.20x = 38,333,701,673,664,328
  5. Step 5: Solve for x
    x = 38,333,701,673,664,328/196,086,313.20
  6. Step 6: Final answer
    x = 195,494,020.20

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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.