Home / 217,735,198.20-325,846,970.10-199,595,345.40

Finding the Fourth Proportional to 217,735,198.20, 325,846,970.10 and 199,595,345.40

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Solution

The fourth proportional to 217,735,198.20, 325,846,970.10 and 199,595,345.40 is: 298,700,160.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,735,198.20 : 325,846,970.10 = 199,595,345.40 : x
  2. Step 2: Convert to fraction form
    217,735,198.20/325,846,970.10 = 199,595,345.40/x
  3. Step 3: Cross multiply
    217,735,198.20x = 325,846,970.10 × 199,595,345.40
  4. Step 4: Simplify right side
    217,735,198.20x = 65,037,538,544,652,976
  5. Step 5: Solve for x
    x = 65,037,538,544,652,976/217,735,198.20
  6. Step 6: Final answer
    x = 298,700,160.02

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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.