Home / 199,323,228.40-298,984,842.60-187,229,993.20

Finding the Fourth Proportional to 199,323,228.40, 298,984,842.60 and 187,229,993.20

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Solution

The fourth proportional to 199,323,228.40, 298,984,842.60 and 187,229,993.20 is: 280,844,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,323,228.40 : 298,984,842.60 = 187,229,993.20 : x
  2. Step 2: Convert to fraction form
    199,323,228.40/298,984,842.60 = 187,229,993.20/x
  3. Step 3: Cross multiply
    199,323,228.40x = 298,984,842.60 × 187,229,993.20
  4. Step 4: Simplify right side
    199,323,228.40x = 55,978,930,046,901,072
  5. Step 5: Solve for x
    x = 55,978,930,046,901,072/199,323,228.40
  6. Step 6: Final answer
    x = 280,844,989.80

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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.