Home / 256,519,802.15-353,987,843.20-139,042,610.12

Finding the Fourth Proportional to 256,519,802.15, 353,987,843.20 and 139,042,610.12

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Solution

The fourth proportional to 256,519,802.15, 353,987,843.20 and 139,042,610.12 is: 191,873,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,519,802.15 : 353,987,843.20 = 139,042,610.12 : x
  2. Step 2: Convert to fraction form
    256,519,802.15/353,987,843.20 = 139,042,610.12/x
  3. Step 3: Cross multiply
    256,519,802.15x = 353,987,843.20 × 139,042,610.12
  4. Step 4: Simplify right side
    256,519,802.15x = 49,219,393,669,277,296
  5. Step 5: Solve for x
    x = 49,219,393,669,277,296/256,519,802.15
  6. Step 6: Final answer
    x = 191,873,661.44

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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.