Home / 199,530,108.10-299,295,162.15-131,449,672.90

Finding the Fourth Proportional to 199,530,108.10, 299,295,162.15 and 131,449,672.90

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Solution

The fourth proportional to 199,530,108.10, 299,295,162.15 and 131,449,672.90 is: 197,174,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,530,108.10 : 299,295,162.15 = 131,449,672.90 : x
  2. Step 2: Convert to fraction form
    199,530,108.10/299,295,162.15 = 131,449,672.90/x
  3. Step 3: Cross multiply
    199,530,108.10x = 299,295,162.15 × 131,449,672.90
  4. Step 4: Simplify right side
    199,530,108.10x = 39,342,251,165,169,960
  5. Step 5: Solve for x
    x = 39,342,251,165,169,960/199,530,108.10
  6. Step 6: Final answer
    x = 197,174,509.35

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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.