Home / 230,201,998.80-345,302,998.20-200,640,757.20

Finding the Fourth Proportional to 230,201,998.80, 345,302,998.20 and 200,640,757.20

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Solution

The fourth proportional to 230,201,998.80, 345,302,998.20 and 200,640,757.20 is: 300,961,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,201,998.80 : 345,302,998.20 = 200,640,757.20 : x
  2. Step 2: Convert to fraction form
    230,201,998.80/345,302,998.20 = 200,640,757.20/x
  3. Step 3: Cross multiply
    230,201,998.80x = 345,302,998.20 × 200,640,757.20
  4. Step 4: Simplify right side
    230,201,998.80x = 69,281,855,022,278,232
  5. Step 5: Solve for x
    x = 69,281,855,022,278,232/230,201,998.80
  6. Step 6: Final answer
    x = 300,961,135.80

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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.