Home / 203,309,535.25-306,070,525.75-185,229,912.43

Finding the Fourth Proportional to 203,309,535.25, 306,070,525.75 and 185,229,912.43

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Solution

The fourth proportional to 203,309,535.25, 306,070,525.75 and 185,229,912.43 is: 278,852,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,309,535.25 : 306,070,525.75 = 185,229,912.43 : x
  2. Step 2: Convert to fraction form
    203,309,535.25/306,070,525.75 = 185,229,912.43/x
  3. Step 3: Cross multiply
    203,309,535.25x = 306,070,525.75 × 185,229,912.43
  4. Step 4: Simplify right side
    203,309,535.25x = 56,693,416,682,076,560
  5. Step 5: Solve for x
    x = 56,693,416,682,076,560/203,309,535.25
  6. Step 6: Final answer
    x = 278,852,718.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.