Home / 222,158,932.96-306,570,850.32-121,685,761.12

Finding the Fourth Proportional to 222,158,932.96, 306,570,850.32 and 121,685,761.12

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Solution

The fourth proportional to 222,158,932.96, 306,570,850.32 and 121,685,761.12 is: 167,921,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,158,932.96 : 306,570,850.32 = 121,685,761.12 : x
  2. Step 2: Convert to fraction form
    222,158,932.96/306,570,850.32 = 121,685,761.12/x
  3. Step 3: Cross multiply
    222,158,932.96x = 306,570,850.32 × 121,685,761.12
  4. Step 4: Simplify right side
    222,158,932.96x = 37,305,307,258,394,800
  5. Step 5: Solve for x
    x = 37,305,307,258,394,800/222,158,932.96
  6. Step 6: Final answer
    x = 167,921,707.05

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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.