Home / 68,474,109.78-102,722,712.03-23,025,100.50

Finding the Fourth Proportional to 68,474,109.78, 102,722,712.03 and 23,025,100.50

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Solution

The fourth proportional to 68,474,109.78, 102,722,712.03 and 23,025,100.50 is: 34,541,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,474,109.78 : 102,722,712.03 = 23,025,100.50 : x
  2. Step 2: Convert to fraction form
    68,474,109.78/102,722,712.03 = 23,025,100.50/x
  3. Step 3: Cross multiply
    68,474,109.78x = 102,722,712.03 × 23,025,100.50
  4. Step 4: Simplify right side
    68,474,109.78x = 2,365,200,768,123,309
  5. Step 5: Solve for x
    x = 2,365,200,768,123,309/68,474,109.78
  6. Step 6: Final answer
    x = 34,541,533.66

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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.