Home / 199,530,113.60-299,295,170.40-131,449,678.40

Finding the Fourth Proportional to 199,530,113.60, 299,295,170.40 and 131,449,678.40

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Solution

The fourth proportional to 199,530,113.60, 299,295,170.40 and 131,449,678.40 is: 197,174,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,530,113.60 : 299,295,170.40 = 131,449,678.40 : x
  2. Step 2: Convert to fraction form
    199,530,113.60/299,295,170.40 = 131,449,678.40/x
  3. Step 3: Cross multiply
    199,530,113.60x = 299,295,170.40 × 131,449,678.40
  4. Step 4: Simplify right side
    199,530,113.60x = 39,342,253,895,753,200
  5. Step 5: Solve for x
    x = 39,342,253,895,753,200/199,530,113.60
  6. Step 6: Final answer
    x = 197,174,517.60

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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.