Home / 123,160,282.54-169,961,640.32-66,645,028.96

Finding the Fourth Proportional to 123,160,282.54, 169,961,640.32 and 66,645,028.96

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Solution

The fourth proportional to 123,160,282.54, 169,961,640.32 and 66,645,028.96 is: 91,970,383.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,160,282.54 : 169,961,640.32 = 66,645,028.96 : x
  2. Step 2: Convert to fraction form
    123,160,282.54/169,961,640.32 = 66,645,028.96/x
  3. Step 3: Cross multiply
    123,160,282.54x = 169,961,640.32 × 66,645,028.96
  4. Step 4: Simplify right side
    123,160,282.54x = 11,327,098,440,957,212
  5. Step 5: Solve for x
    x = 11,327,098,440,957,212/123,160,282.54
  6. Step 6: Final answer
    x = 91,970,383.69

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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.