Home / 256,121,942.40-384,125,414.40-117,814,717.44

Finding the Fourth Proportional to 256,121,942.40, 384,125,414.40 and 117,814,717.44

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Solution

The fourth proportional to 256,121,942.40, 384,125,414.40 and 117,814,717.44 is: 176,695,626.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,121,942.40 : 384,125,414.40 = 117,814,717.44 : x
  2. Step 2: Convert to fraction form
    256,121,942.40/384,125,414.40 = 117,814,717.44/x
  3. Step 3: Cross multiply
    256,121,942.40x = 384,125,414.40 × 117,814,717.44
  4. Step 4: Simplify right side
    256,121,942.40x = 45,255,627,159,058,904
  5. Step 5: Solve for x
    x = 45,255,627,159,058,904/256,121,942.40
  6. Step 6: Final answer
    x = 176,695,626.84

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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.