Home / 199,324,902.80-298,665,427.80-112,806,016.40

Finding the Fourth Proportional to 199,324,902.80, 298,665,427.80 and 112,806,016.40

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Solution

The fourth proportional to 199,324,902.80, 298,665,427.80 and 112,806,016.40 is: 169,026,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,324,902.80 : 298,665,427.80 = 112,806,016.40 : x
  2. Step 2: Convert to fraction form
    199,324,902.80/298,665,427.80 = 112,806,016.40/x
  3. Step 3: Cross multiply
    199,324,902.80x = 298,665,427.80 × 112,806,016.40
  4. Step 4: Simplify right side
    199,324,902.80x = 33,691,257,146,519,820
  5. Step 5: Solve for x
    x = 33,691,257,146,519,820/199,324,902.80
  6. Step 6: Final answer
    x = 169,026,833.44

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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.