Home / 166,165,305.10-229,308,822.97-90,813,171.44

Finding the Fourth Proportional to 166,165,305.10, 229,308,822.97 and 90,813,171.44

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Solution

The fourth proportional to 166,165,305.10, 229,308,822.97 and 90,813,171.44 is: 125,322,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,165,305.10 : 229,308,822.97 = 90,813,171.44 : x
  2. Step 2: Convert to fraction form
    166,165,305.10/229,308,822.97 = 90,813,171.44/x
  3. Step 3: Cross multiply
    166,165,305.10x = 229,308,822.97 × 90,813,171.44
  4. Step 4: Simplify right side
    166,165,305.10x = 20,824,261,453,425,460
  5. Step 5: Solve for x
    x = 20,824,261,453,425,460/166,165,305.10
  6. Step 6: Final answer
    x = 125,322,560.21

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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.