Home / 199,530,608.20-299,295,912.30-122,604,195.40

Finding the Fourth Proportional to 199,530,608.20, 299,295,912.30 and 122,604,195.40

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Solution

The fourth proportional to 199,530,608.20, 299,295,912.30 and 122,604,195.40 is: 183,906,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,530,608.20 : 299,295,912.30 = 122,604,195.40 : x
  2. Step 2: Convert to fraction form
    199,530,608.20/299,295,912.30 = 122,604,195.40/x
  3. Step 3: Cross multiply
    199,530,608.20x = 299,295,912.30 × 122,604,195.40
  4. Step 4: Simplify right side
    199,530,608.20x = 36,694,934,514,050,464
  5. Step 5: Solve for x
    x = 36,694,934,514,050,464/199,530,608.20
  6. Step 6: Final answer
    x = 183,906,293.10

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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.