Home / 136,274,664.72-188,058,080.62-74,395,003.28

Finding the Fourth Proportional to 136,274,664.72, 188,058,080.62 and 74,395,003.28

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Solution

The fourth proportional to 136,274,664.72, 188,058,080.62 and 74,395,003.28 is: 102,664,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,274,664.72 : 188,058,080.62 = 74,395,003.28 : x
  2. Step 2: Convert to fraction form
    136,274,664.72/188,058,080.62 = 74,395,003.28/x
  3. Step 3: Cross multiply
    136,274,664.72x = 188,058,080.62 × 74,395,003.28
  4. Step 4: Simplify right side
    136,274,664.72x = 13,990,581,524,347,090
  5. Step 5: Solve for x
    x = 13,990,581,524,347,090/136,274,664.72
  6. Step 6: Final answer
    x = 102,664,582.25

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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.