Home / 256,910,162.60-354,536,375.49-139,435,494.66

Finding the Fourth Proportional to 256,910,162.60, 354,536,375.49 and 139,435,494.66

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Solution

The fourth proportional to 256,910,162.60, 354,536,375.49 and 139,435,494.66 is: 192,421,173.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,910,162.60 : 354,536,375.49 = 139,435,494.66 : x
  2. Step 2: Convert to fraction form
    256,910,162.60/354,536,375.49 = 139,435,494.66/x
  3. Step 3: Cross multiply
    256,910,162.60x = 354,536,375.49 × 139,435,494.66
  4. Step 4: Simplify right side
    256,910,162.60x = 49,434,954,891,411,648
  5. Step 5: Solve for x
    x = 49,434,954,891,411,648/256,910,162.60
  6. Step 6: Final answer
    x = 192,421,173.19

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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.