Home / 109,169,422-150,530,980.44-89,261,073.52

Finding the Fourth Proportional to 109,169,422, 150,530,980.44 and 89,261,073.52

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Solution

The fourth proportional to 109,169,422, 150,530,980.44 and 89,261,073.52 is: 123,079,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,169,422 : 150,530,980.44 = 89,261,073.52 : x
  2. Step 2: Convert to fraction form
    109,169,422/150,530,980.44 = 89,261,073.52/x
  3. Step 3: Cross multiply
    109,169,422x = 150,530,980.44 × 89,261,073.52
  4. Step 4: Simplify right side
    109,169,422x = 13,436,556,912,092,522
  5. Step 5: Solve for x
    x = 13,436,556,912,092,522/109,169,422
  6. Step 6: Final answer
    x = 123,079,857.58

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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.