Home / 219,438,344.70-329,147,019.45-73,857,627.90

Finding the Fourth Proportional to 219,438,344.70, 329,147,019.45 and 73,857,627.90

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Solution

The fourth proportional to 219,438,344.70, 329,147,019.45 and 73,857,627.90 is: 110,782,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,438,344.70 : 329,147,019.45 = 73,857,627.90 : x
  2. Step 2: Convert to fraction form
    219,438,344.70/329,147,019.45 = 73,857,627.90/x
  3. Step 3: Cross multiply
    219,438,344.70x = 329,147,019.45 × 73,857,627.90
  4. Step 4: Simplify right side
    219,438,344.70x = 24,310,018,086,932,164
  5. Step 5: Solve for x
    x = 24,310,018,086,932,164/219,438,344.70
  6. Step 6: Final answer
    x = 110,782,908.61

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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.