Home / 81,985,580,171.19-122,983,766,329.05-21,481,339,234.50

Finding the Fourth Proportional to 81,985,580,171.19, 122,983,766,329.05 and 21,481,339,234.50

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Solution

The fourth proportional to 81,985,580,171.19, 122,983,766,329.05 and 21,481,339,234.50 is: 32,223,422,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,985,580,171.19 : 122,983,766,329.05 = 21,481,339,234.50 : x
  2. Step 2: Convert to fraction form
    81,985,580,171.19/122,983,766,329.05 = 21,481,339,234.50/x
  3. Step 3: Cross multiply
    81,985,580,171.19x = 122,983,766,329.05 × 21,481,339,234.50
  4. Step 4: Simplify right side
    81,985,580,171.19x = 2,641,856,004,850,801,704,960
  5. Step 5: Solve for x
    x = 2,641,856,004,850,801,704,960/81,985,580,171.19
  6. Step 6: Final answer
    x = 32,223,422,696.22

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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.