Home / 216,660,433.34-298,991,977.53-117,541,180.73

Finding the Fourth Proportional to 216,660,433.34, 298,991,977.53 and 117,541,180.73

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Solution

The fourth proportional to 216,660,433.34, 298,991,977.53 and 117,541,180.73 is: 162,207,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,660,433.34 : 298,991,977.53 = 117,541,180.73 : x
  2. Step 2: Convert to fraction form
    216,660,433.34/298,991,977.53 = 117,541,180.73/x
  3. Step 3: Cross multiply
    216,660,433.34x = 298,991,977.53 × 117,541,180.73
  4. Step 4: Simplify right side
    216,660,433.34x = 35,143,870,067,673,828
  5. Step 5: Solve for x
    x = 35,143,870,067,673,828/216,660,433.34
  6. Step 6: Final answer
    x = 162,207,143.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.