Home / 188,873,795.52-283,393,099.44-66,140,202.78

Finding the Fourth Proportional to 188,873,795.52, 283,393,099.44 and 66,140,202.78

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Solution

The fourth proportional to 188,873,795.52, 283,393,099.44 and 66,140,202.78 is: 99,239,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,873,795.52 : 283,393,099.44 = 66,140,202.78 : x
  2. Step 2: Convert to fraction form
    188,873,795.52/283,393,099.44 = 66,140,202.78/x
  3. Step 3: Cross multiply
    188,873,795.52x = 283,393,099.44 × 66,140,202.78
  4. Step 4: Simplify right side
    188,873,795.52x = 18,743,677,063,414,304
  5. Step 5: Solve for x
    x = 18,743,677,063,414,304/188,873,795.52
  6. Step 6: Final answer
    x = 99,239,161.32

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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.