Home / 165,590,153.55-228,515,923.26-91,253,381.31

Finding the Fourth Proportional to 165,590,153.55, 228,515,923.26 and 91,253,381.31

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Solution

The fourth proportional to 165,590,153.55, 228,515,923.26 and 91,253,381.31 is: 125,930,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,590,153.55 : 228,515,923.26 = 91,253,381.31 : x
  2. Step 2: Convert to fraction form
    165,590,153.55/228,515,923.26 = 91,253,381.31/x
  3. Step 3: Cross multiply
    165,590,153.55x = 228,515,923.26 × 91,253,381.31
  4. Step 4: Simplify right side
    165,590,153.55x = 20,852,850,680,651,476
  5. Step 5: Solve for x
    x = 20,852,850,680,651,476/165,590,153.55
  6. Step 6: Final answer
    x = 125,930,499.09

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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.