Home / 219,794,722.31-329,622,082.13-72,208,024.41

Finding the Fourth Proportional to 219,794,722.31, 329,622,082.13 and 72,208,024.41

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Solution

The fourth proportional to 219,794,722.31, 329,622,082.13 and 72,208,024.41 is: 108,289,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,794,722.31 : 329,622,082.13 = 72,208,024.41 : x
  2. Step 2: Convert to fraction form
    219,794,722.31/329,622,082.13 = 72,208,024.41/x
  3. Step 3: Cross multiply
    219,794,722.31x = 329,622,082.13 × 72,208,024.41
  4. Step 4: Simplify right side
    219,794,722.31x = 23,801,359,350,869,956
  5. Step 5: Solve for x
    x = 23,801,359,350,869,956/219,794,722.31
  6. Step 6: Final answer
    x = 108,289,039.43

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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.