Home / 193,540,233.60-290,086,401.60-78,467,875.20

Finding the Fourth Proportional to 193,540,233.60, 290,086,401.60 and 78,467,875.20

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Solution

The fourth proportional to 193,540,233.60, 290,086,401.60 and 78,467,875.20 is: 117,611,016.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,540,233.60 : 290,086,401.60 = 78,467,875.20 : x
  2. Step 2: Convert to fraction form
    193,540,233.60/290,086,401.60 = 78,467,875.20/x
  3. Step 3: Cross multiply
    193,540,233.60x = 290,086,401.60 × 78,467,875.20
  4. Step 4: Simplify right side
    193,540,233.60x = 22,762,463,557,965,884
  5. Step 5: Solve for x
    x = 22,762,463,557,965,884/193,540,233.60
  6. Step 6: Final answer
    x = 117,611,016.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.