Home / 199,613,830.20-298,972,847.70-163,782,022.20

Finding the Fourth Proportional to 199,613,830.20, 298,972,847.70 and 163,782,022.20

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Solution

The fourth proportional to 199,613,830.20, 298,972,847.70 and 163,782,022.20 is: 245,305,535.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,613,830.20 : 298,972,847.70 = 163,782,022.20 : x
  2. Step 2: Convert to fraction form
    199,613,830.20/298,972,847.70 = 163,782,022.20/x
  3. Step 3: Cross multiply
    199,613,830.20x = 298,972,847.70 × 163,782,022.20
  4. Step 4: Simplify right side
    199,613,830.20x = 48,966,377,579,198,616
  5. Step 5: Solve for x
    x = 48,966,377,579,198,616/199,613,830.20
  6. Step 6: Final answer
    x = 245,305,535.84

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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.