Home / 222,932,078.74-307,650,073.23-122,464,754.20

Finding the Fourth Proportional to 222,932,078.74, 307,650,073.23 and 122,464,754.20

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Solution

The fourth proportional to 222,932,078.74, 307,650,073.23 and 122,464,754.20 is: 169,003,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,932,078.74 : 307,650,073.23 = 122,464,754.20 : x
  2. Step 2: Convert to fraction form
    222,932,078.74/307,650,073.23 = 122,464,754.20/x
  3. Step 3: Cross multiply
    222,932,078.74x = 307,650,073.23 × 122,464,754.20
  4. Step 4: Simplify right side
    222,932,078.74x = 37,676,290,597,723,952
  5. Step 5: Solve for x
    x = 37,676,290,597,723,952/222,932,078.74
  6. Step 6: Final answer
    x = 169,003,450.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.