Home / 219,880,808.80-329,821,213.20-206,275,919.20

Finding the Fourth Proportional to 219,880,808.80, 329,821,213.20 and 206,275,919.20

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Solution

The fourth proportional to 219,880,808.80, 329,821,213.20 and 206,275,919.20 is: 309,413,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,880,808.80 : 329,821,213.20 = 206,275,919.20 : x
  2. Step 2: Convert to fraction form
    219,880,808.80/329,821,213.20 = 206,275,919.20/x
  3. Step 3: Cross multiply
    219,880,808.80x = 329,821,213.20 × 206,275,919.20
  4. Step 4: Simplify right side
    219,880,808.80x = 68,034,173,924,489,168
  5. Step 5: Solve for x
    x = 68,034,173,924,489,168/219,880,808.80
  6. Step 6: Final answer
    x = 309,413,878.80

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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.