Home / 222,384,695.64-306,890,348.68-121,912,953.36

Finding the Fourth Proportional to 222,384,695.64, 306,890,348.68 and 121,912,953.36

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Solution

The fourth proportional to 222,384,695.64, 306,890,348.68 and 121,912,953.36 is: 168,239,584.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,384,695.64 : 306,890,348.68 = 121,912,953.36 : x
  2. Step 2: Convert to fraction form
    222,384,695.64/306,890,348.68 = 121,912,953.36/x
  3. Step 3: Cross multiply
    222,384,695.64x = 306,890,348.68 × 121,912,953.36
  4. Step 4: Simplify right side
    222,384,695.64x = 37,413,908,765,258,976
  5. Step 5: Solve for x
    x = 37,413,908,765,258,976/222,384,695.64
  6. Step 6: Final answer
    x = 168,239,584.37

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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.