Home / 123,150,199.12-169,948,786.44-68,151,173.20

Finding the Fourth Proportional to 123,150,199.12, 169,948,786.44 and 68,151,173.20

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Solution

The fourth proportional to 123,150,199.12, 169,948,786.44 and 68,151,173.20 is: 94,049,455.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,150,199.12 : 169,948,786.44 = 68,151,173.20 : x
  2. Step 2: Convert to fraction form
    123,150,199.12/169,948,786.44 = 68,151,173.20/x
  3. Step 3: Cross multiply
    123,150,199.12x = 169,948,786.44 × 68,151,173.20
  4. Step 4: Simplify right side
    123,150,199.12x = 11,582,209,179,802,252
  5. Step 5: Solve for x
    x = 11,582,209,179,802,252/123,150,199.12
  6. Step 6: Final answer
    x = 94,049,455.56

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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.