Home / 166,478,780.72-229,741,208.92-92,144,504.21

Finding the Fourth Proportional to 166,478,780.72, 229,741,208.92 and 92,144,504.21

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Solution

The fourth proportional to 166,478,780.72, 229,741,208.92 and 92,144,504.21 is: 127,159,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,478,780.72 : 229,741,208.92 = 92,144,504.21 : x
  2. Step 2: Convert to fraction form
    166,478,780.72/229,741,208.92 = 92,144,504.21/x
  3. Step 3: Cross multiply
    166,478,780.72x = 229,741,208.92 × 92,144,504.21
  4. Step 4: Simplify right side
    166,478,780.72x = 21,169,389,791,505,904
  5. Step 5: Solve for x
    x = 21,169,389,791,505,904/166,478,780.72
  6. Step 6: Final answer
    x = 127,159,687.86

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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.