Home / 199,003,687.25-298,434,147.19-76,216,525.97

Finding the Fourth Proportional to 199,003,687.25, 298,434,147.19 and 76,216,525.97

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Solution

The fourth proportional to 199,003,687.25, 298,434,147.19 and 76,216,525.97 is: 114,297,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,003,687.25 : 298,434,147.19 = 76,216,525.97 : x
  2. Step 2: Convert to fraction form
    199,003,687.25/298,434,147.19 = 76,216,525.97/x
  3. Step 3: Cross multiply
    199,003,687.25x = 298,434,147.19 × 76,216,525.97
  4. Step 4: Simplify right side
    199,003,687.25x = 22,745,613,927,958,728
  5. Step 5: Solve for x
    x = 22,745,613,927,958,728/199,003,687.25
  6. Step 6: Final answer
    x = 114,297,449.67

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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.