Home / 351,581,963.82-527,321,609.21-102,520,292.88

Finding the Fourth Proportional to 351,581,963.82, 527,321,609.21 and 102,520,292.88

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Solution

The fourth proportional to 351,581,963.82, 527,321,609.21 and 102,520,292.88 is: 153,765,469.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,581,963.82 : 527,321,609.21 = 102,520,292.88 : x
  2. Step 2: Convert to fraction form
    351,581,963.82/527,321,609.21 = 102,520,292.88/x
  3. Step 3: Cross multiply
    351,581,963.82x = 527,321,609.21 × 102,520,292.88
  4. Step 4: Simplify right side
    351,581,963.82x = 54,061,165,818,162,104
  5. Step 5: Solve for x
    x = 54,061,165,818,162,104/351,581,963.82
  6. Step 6: Final answer
    x = 153,765,469.74

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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.