Home / 165,646,108.57-228,601,857.28-91,306,501.70

Finding the Fourth Proportional to 165,646,108.57, 228,601,857.28 and 91,306,501.70

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Solution

The fourth proportional to 165,646,108.57, 228,601,857.28 and 91,306,501.70 is: 126,008,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,646,108.57 : 228,601,857.28 = 91,306,501.70 : x
  2. Step 2: Convert to fraction form
    165,646,108.57/228,601,857.28 = 91,306,501.70/x
  3. Step 3: Cross multiply
    165,646,108.57x = 228,601,857.28 × 91,306,501.70
  4. Step 4: Simplify right side
    165,646,108.57x = 20,872,835,868,902,372
  5. Step 5: Solve for x
    x = 20,872,835,868,902,372/165,646,108.57
  6. Step 6: Final answer
    x = 126,008,609.86

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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.