Home / 165,290,178.99-228,093,608.19-89,936,817.03

Finding the Fourth Proportional to 165,290,178.99, 228,093,608.19 and 89,936,817.03

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Solution

The fourth proportional to 165,290,178.99, 228,093,608.19 and 89,936,817.03 is: 124,109,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,290,178.99 : 228,093,608.19 = 89,936,817.03 : x
  2. Step 2: Convert to fraction form
    165,290,178.99/228,093,608.19 = 89,936,817.03/x
  3. Step 3: Cross multiply
    165,290,178.99x = 228,093,608.19 × 89,936,817.03
  4. Step 4: Simplify right side
    165,290,178.99x = 20,514,013,105,496,540
  5. Step 5: Solve for x
    x = 20,514,013,105,496,540/165,290,178.99
  6. Step 6: Final answer
    x = 124,109,086.40

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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.