Home / 256,519,807.27-353,987,850.29-139,042,615.24

Finding the Fourth Proportional to 256,519,807.27, 353,987,850.29 and 139,042,615.24

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Solution

The fourth proportional to 256,519,807.27, 353,987,850.29 and 139,042,615.24 is: 191,873,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,519,807.27 : 353,987,850.29 = 139,042,615.24 : x
  2. Step 2: Convert to fraction form
    256,519,807.27/353,987,850.29 = 139,042,615.24/x
  3. Step 3: Cross multiply
    256,519,807.27x = 353,987,850.29 × 139,042,615.24
  4. Step 4: Simplify right side
    256,519,807.27x = 49,219,396,466,084,864
  5. Step 5: Solve for x
    x = 49,219,396,466,084,864/256,519,807.27
  6. Step 6: Final answer
    x = 191,873,668.51

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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.