Home / 165,590,123.68-228,515,882.04-91,253,351.47

Finding the Fourth Proportional to 165,590,123.68, 228,515,882.04 and 91,253,351.47

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Solution

The fourth proportional to 165,590,123.68, 228,515,882.04 and 91,253,351.47 is: 125,930,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,590,123.68 : 228,515,882.04 = 91,253,351.47 : x
  2. Step 2: Convert to fraction form
    165,590,123.68/228,515,882.04 = 91,253,351.47/x
  3. Step 3: Cross multiply
    165,590,123.68x = 228,515,882.04 × 91,253,351.47
  4. Step 4: Simplify right side
    165,590,123.68x = 20,852,840,100,273,180
  5. Step 5: Solve for x
    x = 20,852,840,100,273,180/165,590,123.68
  6. Step 6: Final answer
    x = 125,930,457.91

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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.