Home / 256,871,846.44-354,483,377.22-139,397,177.80

Finding the Fourth Proportional to 256,871,846.44, 354,483,377.22 and 139,397,177.80

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Solution

The fourth proportional to 256,871,846.44, 354,483,377.22 and 139,397,177.80 is: 192,368,229.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,871,846.44 : 354,483,377.22 = 139,397,177.80 : x
  2. Step 2: Convert to fraction form
    256,871,846.44/354,483,377.22 = 139,397,177.80/x
  3. Step 3: Cross multiply
    256,871,846.44x = 354,483,377.22 × 139,397,177.80
  4. Step 4: Simplify right side
    256,871,846.44x = 49,413,982,361,480,816
  5. Step 5: Solve for x
    x = 49,413,982,361,480,816/256,871,846.44
  6. Step 6: Final answer
    x = 192,368,229.71

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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.