Home / 199,300,601.70-298,950,902.55-191,647,851.30

Finding the Fourth Proportional to 199,300,601.70, 298,950,902.55 and 191,647,851.30

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Solution

The fourth proportional to 199,300,601.70, 298,950,902.55 and 191,647,851.30 is: 287,471,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,300,601.70 : 298,950,902.55 = 191,647,851.30 : x
  2. Step 2: Convert to fraction form
    199,300,601.70/298,950,902.55 = 191,647,851.30/x
  3. Step 3: Cross multiply
    199,300,601.70x = 298,950,902.55 × 191,647,851.30
  4. Step 4: Simplify right side
    199,300,601.70x = 57,293,298,117,903,200
  5. Step 5: Solve for x
    x = 57,293,298,117,903,200/199,300,601.70
  6. Step 6: Final answer
    x = 287,471,776.95

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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.