Home / 199,322,793.70-298,984,190.55-197,979,100.90

Finding the Fourth Proportional to 199,322,793.70, 298,984,190.55 and 197,979,100.90

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Solution

The fourth proportional to 199,322,793.70, 298,984,190.55 and 197,979,100.90 is: 296,968,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,322,793.70 : 298,984,190.55 = 197,979,100.90 : x
  2. Step 2: Convert to fraction form
    199,322,793.70/298,984,190.55 = 197,979,100.90/x
  3. Step 3: Cross multiply
    199,322,793.70x = 298,984,190.55 × 197,979,100.90
  4. Step 4: Simplify right side
    199,322,793.70x = 59,192,621,228,403,280
  5. Step 5: Solve for x
    x = 59,192,621,228,403,280/199,322,793.70
  6. Step 6: Final answer
    x = 296,968,651.35

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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.