Home / 165,208,317.50-227,987,932.42-90,876,493.16

Finding the Fourth Proportional to 165,208,317.50, 227,987,932.42 and 90,876,493.16

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Solution

The fourth proportional to 165,208,317.50, 227,987,932.42 and 90,876,493.16 is: 125,409,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,208,317.50 : 227,987,932.42 = 90,876,493.16 : x
  2. Step 2: Convert to fraction form
    165,208,317.50/227,987,932.42 = 90,876,493.16/x
  3. Step 3: Cross multiply
    165,208,317.50x = 227,987,932.42 × 90,876,493.16
  4. Step 4: Simplify right side
    165,208,317.50x = 20,718,743,781,128,672
  5. Step 5: Solve for x
    x = 20,718,743,781,128,672/165,208,317.50
  6. Step 6: Final answer
    x = 125,409,810.44

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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.