Home / 199,530,109.10-299,295,163.65-131,449,673.90

Finding the Fourth Proportional to 199,530,109.10, 299,295,163.65 and 131,449,673.90

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Solution

The fourth proportional to 199,530,109.10, 299,295,163.65 and 131,449,673.90 is: 197,174,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,530,109.10 : 299,295,163.65 = 131,449,673.90 : x
  2. Step 2: Convert to fraction form
    199,530,109.10/299,295,163.65 = 131,449,673.90/x
  3. Step 3: Cross multiply
    199,530,109.10x = 299,295,163.65 × 131,449,673.90
  4. Step 4: Simplify right side
    199,530,109.10x = 39,342,251,661,639,632
  5. Step 5: Solve for x
    x = 39,342,251,661,639,632/199,530,109.10
  6. Step 6: Final answer
    x = 197,174,510.85

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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.