Home / 199,300,647.40-298,950,971.10-177,777,286.90

Finding the Fourth Proportional to 199,300,647.40, 298,950,971.10 and 177,777,286.90

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Solution

The fourth proportional to 199,300,647.40, 298,950,971.10 and 177,777,286.90 is: 266,665,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,300,647.40 : 298,950,971.10 = 177,777,286.90 : x
  2. Step 2: Convert to fraction form
    199,300,647.40/298,950,971.10 = 177,777,286.90/x
  3. Step 3: Cross multiply
    199,300,647.40x = 298,950,971.10 × 177,777,286.90
  4. Step 4: Simplify right side
    199,300,647.40x = 53,146,692,558,278,312
  5. Step 5: Solve for x
    x = 53,146,692,558,278,312/199,300,647.40
  6. Step 6: Final answer
    x = 266,665,930.35

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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.