Home / 256,961,092.67-354,606,757.71-139,486,502.49

Finding the Fourth Proportional to 256,961,092.67, 354,606,757.71 and 139,486,502.49

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Solution

The fourth proportional to 256,961,092.67, 354,606,757.71 and 139,486,502.49 is: 192,491,617.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,961,092.67 : 354,606,757.71 = 139,486,502.49 : x
  2. Step 2: Convert to fraction form
    256,961,092.67/354,606,757.71 = 139,486,502.49/x
  3. Step 3: Cross multiply
    256,961,092.67x = 354,606,757.71 × 139,486,502.49
  4. Step 4: Simplify right side
    256,961,092.67x = 49,462,856,390,433,896
  5. Step 5: Solve for x
    x = 49,462,856,390,433,896/256,961,092.67
  6. Step 6: Final answer
    x = 192,491,617.61

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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.