Home / 222,384,693.64-306,890,345.92-121,912,951.36

Finding the Fourth Proportional to 222,384,693.64, 306,890,345.92 and 121,912,951.36

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Solution

The fourth proportional to 222,384,693.64, 306,890,345.92 and 121,912,951.36 is: 168,239,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,384,693.64 : 306,890,345.92 = 121,912,951.36 : x
  2. Step 2: Convert to fraction form
    222,384,693.64/306,890,345.92 = 121,912,951.36/x
  3. Step 3: Cross multiply
    222,384,693.64x = 306,890,345.92 × 121,912,951.36
  4. Step 4: Simplify right side
    222,384,693.64x = 37,413,907,814,998,536
  5. Step 5: Solve for x
    x = 37,413,907,814,998,536/222,384,693.64
  6. Step 6: Final answer
    x = 168,239,581.61

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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.