Home / 281,331,003.24-421,958,195.79-74,052,056.64

Finding the Fourth Proportional to 281,331,003.24, 421,958,195.79 and 74,052,056.64

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Solution

The fourth proportional to 281,331,003.24, 421,958,195.79 and 74,052,056.64 is: 111,068,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,331,003.24 : 421,958,195.79 = 74,052,056.64 : x
  2. Step 2: Convert to fraction form
    281,331,003.24/421,958,195.79 = 74,052,056.64/x
  3. Step 3: Cross multiply
    281,331,003.24x = 421,958,195.79 × 74,052,056.64
  4. Step 4: Simplify right side
    281,331,003.24x = 31,246,872,214,591,452
  5. Step 5: Solve for x
    x = 31,246,872,214,591,452/281,331,003.24
  6. Step 6: Final answer
    x = 111,068,001.23

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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.