Home / 216,193,965.91-298,347,834.61-117,074,821.96

Finding the Fourth Proportional to 216,193,965.91, 298,347,834.61 and 117,074,821.96

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Solution

The fourth proportional to 216,193,965.91, 298,347,834.61 and 117,074,821.96 is: 161,563,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,193,965.91 : 298,347,834.61 = 117,074,821.96 : x
  2. Step 2: Convert to fraction form
    216,193,965.91/298,347,834.61 = 117,074,821.96/x
  3. Step 3: Cross multiply
    216,193,965.91x = 298,347,834.61 × 117,074,821.96
  4. Step 4: Simplify right side
    216,193,965.91x = 34,929,019,619,383,304
  5. Step 5: Solve for x
    x = 34,929,019,619,383,304/216,193,965.91
  6. Step 6: Final answer
    x = 161,563,341.85

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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.