Home / 172,188,061.82-258,283,025.84-51,020,563.58

Finding the Fourth Proportional to 172,188,061.82, 258,283,025.84 and 51,020,563.58

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Solution

The fourth proportional to 172,188,061.82, 258,283,025.84 and 51,020,563.58 is: 76,531,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,188,061.82 : 258,283,025.84 = 51,020,563.58 : x
  2. Step 2: Convert to fraction form
    172,188,061.82/258,283,025.84 = 51,020,563.58/x
  3. Step 3: Cross multiply
    172,188,061.82x = 258,283,025.84 × 51,020,563.58
  4. Step 4: Simplify right side
    172,188,061.82x = 13,177,745,540,340,640
  5. Step 5: Solve for x
    x = 13,177,745,540,340,640/172,188,061.82
  6. Step 6: Final answer
    x = 76,531,121.85

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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.