Home / 69,617,040,040.85-104,425,429,721.89-21,813,709,021.37

Finding the Fourth Proportional to 69,617,040,040.85, 104,425,429,721.89 and 21,813,709,021.37

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Solution

The fourth proportional to 69,617,040,040.85, 104,425,429,721.89 and 21,813,709,021.37 is: 32,720,522,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,617,040,040.85 : 104,425,429,721.89 = 21,813,709,021.37 : x
  2. Step 2: Convert to fraction form
    69,617,040,040.85/104,425,429,721.89 = 21,813,709,021.37/x
  3. Step 3: Cross multiply
    69,617,040,040.85x = 104,425,429,721.89 × 21,813,709,021.37
  4. Step 4: Simplify right side
    69,617,040,040.85x = 2,277,905,938,384,308,928,512
  5. Step 5: Solve for x
    x = 2,277,905,938,384,308,928,512/69,617,040,040.85
  6. Step 6: Final answer
    x = 32,720,522,691.68

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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.