Home / 206,487,851.70-309,731,777.55-189,269,163.30

Finding the Fourth Proportional to 206,487,851.70, 309,731,777.55 and 189,269,163.30

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Solution

The fourth proportional to 206,487,851.70, 309,731,777.55 and 189,269,163.30 is: 283,903,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,487,851.70 : 309,731,777.55 = 189,269,163.30 : x
  2. Step 2: Convert to fraction form
    206,487,851.70/309,731,777.55 = 189,269,163.30/x
  3. Step 3: Cross multiply
    206,487,851.70x = 309,731,777.55 × 189,269,163.30
  4. Step 4: Simplify right side
    206,487,851.70x = 58,622,674,384,310,232
  5. Step 5: Solve for x
    x = 58,622,674,384,310,232/206,487,851.70
  6. Step 6: Final answer
    x = 283,903,744.95

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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.