Home / 198,195,099.14-297,295,638.42-68,806,819.37

Finding the Fourth Proportional to 198,195,099.14, 297,295,638.42 and 68,806,819.37

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Solution

The fourth proportional to 198,195,099.14, 297,295,638.42 and 68,806,819.37 is: 103,211,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,195,099.14 : 297,295,638.42 = 68,806,819.37 : x
  2. Step 2: Convert to fraction form
    198,195,099.14/297,295,638.42 = 68,806,819.37/x
  3. Step 3: Cross multiply
    198,195,099.14x = 297,295,638.42 × 68,806,819.37
  4. Step 4: Simplify right side
    198,195,099.14x = 20,455,967,292,253,776
  5. Step 5: Solve for x
    x = 20,455,967,292,253,776/198,195,099.14
  6. Step 6: Final answer
    x = 103,211,266.98

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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.