Home / 74,161,822.60-111,231,905.09-21,625,376.38

Finding the Fourth Proportional to 74,161,822.60, 111,231,905.09 and 21,625,376.38

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Solution

The fourth proportional to 74,161,822.60, 111,231,905.09 and 21,625,376.38 is: 32,434,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,161,822.60 : 111,231,905.09 = 21,625,376.38 : x
  2. Step 2: Convert to fraction form
    74,161,822.60/111,231,905.09 = 21,625,376.38/x
  3. Step 3: Cross multiply
    74,161,822.60x = 111,231,905.09 × 21,625,376.38
  4. Step 4: Simplify right side
    74,161,822.60x = 2,405,431,812,479,528.50
  5. Step 5: Solve for x
    x = 2,405,431,812,479,528.50/74,161,822.60
  6. Step 6: Final answer
    x = 32,434,906.91

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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.