Home / 185,972,906.21-256,644,971.64-102,350,664.86

Finding the Fourth Proportional to 185,972,906.21, 256,644,971.64 and 102,350,664.86

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Solution

The fourth proportional to 185,972,906.21, 256,644,971.64 and 102,350,664.86 is: 141,245,216.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,972,906.21 : 256,644,971.64 = 102,350,664.86 : x
  2. Step 2: Convert to fraction form
    185,972,906.21/256,644,971.64 = 102,350,664.86/x
  3. Step 3: Cross multiply
    185,972,906.21x = 256,644,971.64 × 102,350,664.86
  4. Step 4: Simplify right side
    185,972,906.21x = 26,267,783,479,046,620
  5. Step 5: Solve for x
    x = 26,267,783,479,046,620/185,972,906.21
  6. Step 6: Final answer
    x = 141,245,216.92

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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.