Home / 123,158,579.63-169,053,517.67-108,907,693.97

Finding the Fourth Proportional to 123,158,579.63, 169,053,517.67 and 108,907,693.97

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Solution

The fourth proportional to 123,158,579.63, 169,053,517.67 and 108,907,693.97 is: 149,492,051.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,158,579.63 : 169,053,517.67 = 108,907,693.97 : x
  2. Step 2: Convert to fraction form
    123,158,579.63/169,053,517.67 = 108,907,693.97/x
  3. Step 3: Cross multiply
    123,158,579.63x = 169,053,517.67 × 108,907,693.97
  4. Step 4: Simplify right side
    123,158,579.63x = 18,411,228,765,566,540
  5. Step 5: Solve for x
    x = 18,411,228,765,566,540/123,158,579.63
  6. Step 6: Final answer
    x = 149,492,051.81

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.