Home / 165,290,261.91-228,093,722.36-89,936,899.81

Finding the Fourth Proportional to 165,290,261.91, 228,093,722.36 and 89,936,899.81

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Solution

The fourth proportional to 165,290,261.91, 228,093,722.36 and 89,936,899.81 is: 124,109,200.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,290,261.91 : 228,093,722.36 = 89,936,899.81 : x
  2. Step 2: Convert to fraction form
    165,290,261.91/228,093,722.36 = 89,936,899.81/x
  3. Step 3: Cross multiply
    165,290,261.91x = 228,093,722.36 × 89,936,899.81
  4. Step 4: Simplify right side
    165,290,261.91x = 20,514,042,254,498,620
  5. Step 5: Solve for x
    x = 20,514,042,254,498,620/165,290,261.91
  6. Step 6: Final answer
    x = 124,109,200.49

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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.