Home / 99,293,024.20-148,939,536.30-68,682,022.60

Finding the Fourth Proportional to 99,293,024.20, 148,939,536.30 and 68,682,022.60

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Solution

The fourth proportional to 99,293,024.20, 148,939,536.30 and 68,682,022.60 is: 103,023,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,293,024.20 : 148,939,536.30 = 68,682,022.60 : x
  2. Step 2: Convert to fraction form
    99,293,024.20/148,939,536.30 = 68,682,022.60/x
  3. Step 3: Cross multiply
    99,293,024.20x = 148,939,536.30 × 68,682,022.60
  4. Step 4: Simplify right side
    99,293,024.20x = 10,229,468,598,190,120
  5. Step 5: Solve for x
    x = 10,229,468,598,190,120/99,293,024.20
  6. Step 6: Final answer
    x = 103,023,033.90

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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.