Home / 137,952,019.94-190,378,383.34-75,231,540.02

Finding the Fourth Proportional to 137,952,019.94, 190,378,383.34 and 75,231,540.02

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Solution

The fourth proportional to 137,952,019.94, 190,378,383.34 and 75,231,540.02 is: 103,822,031.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,952,019.94 : 190,378,383.34 = 75,231,540.02 : x
  2. Step 2: Convert to fraction form
    137,952,019.94/190,378,383.34 = 75,231,540.02/x
  3. Step 3: Cross multiply
    137,952,019.94x = 190,378,383.34 × 75,231,540.02
  4. Step 4: Simplify right side
    137,952,019.94x = 14,322,458,965,186,110
  5. Step 5: Solve for x
    x = 14,322,458,965,186,110/137,952,019.94
  6. Step 6: Final answer
    x = 103,822,031.54

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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.