Home / 136,274,669.68-188,058,087.44-74,395,008.22

Finding the Fourth Proportional to 136,274,669.68, 188,058,087.44 and 74,395,008.22

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Solution

The fourth proportional to 136,274,669.68, 188,058,087.44 and 74,395,008.22 is: 102,664,589.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,274,669.68 : 188,058,087.44 = 74,395,008.22 : x
  2. Step 2: Convert to fraction form
    136,274,669.68/188,058,087.44 = 74,395,008.22/x
  3. Step 3: Cross multiply
    136,274,669.68x = 188,058,087.44 × 74,395,008.22
  4. Step 4: Simplify right side
    136,274,669.68x = 13,990,582,960,936,278
  5. Step 5: Solve for x
    x = 13,990,582,960,936,278/136,274,669.68
  6. Step 6: Final answer
    x = 102,664,589.05

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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.