Home / 136,274,661.99-188,058,076.88-74,395,000.56

Finding the Fourth Proportional to 136,274,661.99, 188,058,076.88 and 74,395,000.56

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Solution

The fourth proportional to 136,274,661.99, 188,058,076.88 and 74,395,000.56 is: 102,664,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,274,661.99 : 188,058,076.88 = 74,395,000.56 : x
  2. Step 2: Convert to fraction form
    136,274,661.99/188,058,076.88 = 74,395,000.56/x
  3. Step 3: Cross multiply
    136,274,661.99x = 188,058,076.88 × 74,395,000.56
  4. Step 4: Simplify right side
    136,274,661.99x = 13,990,580,734,428,148
  5. Step 5: Solve for x
    x = 13,990,580,734,428,148/136,274,661.99
  6. Step 6: Final answer
    x = 102,664,578.51

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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.