Home / 209,960,146.20-314,940,219.30-200,394,208.20

Finding the Fourth Proportional to 209,960,146.20, 314,940,219.30 and 200,394,208.20

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Solution

The fourth proportional to 209,960,146.20, 314,940,219.30 and 200,394,208.20 is: 300,591,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,960,146.20 : 314,940,219.30 = 200,394,208.20 : x
  2. Step 2: Convert to fraction form
    209,960,146.20/314,940,219.30 = 200,394,208.20/x
  3. Step 3: Cross multiply
    209,960,146.20x = 314,940,219.30 × 200,394,208.20
  4. Step 4: Simplify right side
    209,960,146.20x = 63,112,195,876,957,856
  5. Step 5: Solve for x
    x = 63,112,195,876,957,856/209,960,146.20
  6. Step 6: Final answer
    x = 300,591,312.30

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1.5x scale

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.