Home / 198,735,195.61-298,371,612.17-137,171,291.41

Finding the Fourth Proportional to 198,735,195.61, 298,371,612.17 and 137,171,291.41

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Solution

The fourth proportional to 198,735,195.61, 298,371,612.17 and 137,171,291.41 is: 205,942,481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,735,195.61 : 298,371,612.17 = 137,171,291.41 : x
  2. Step 2: Convert to fraction form
    198,735,195.61/298,371,612.17 = 137,171,291.41/x
  3. Step 3: Cross multiply
    198,735,195.61x = 298,371,612.17 × 137,171,291.41
  4. Step 4: Simplify right side
    198,735,195.61x = 40,928,019,361,442,576
  5. Step 5: Solve for x
    x = 40,928,019,361,442,576/198,735,195.61
  6. Step 6: Final answer
    x = 205,942,481.58

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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.