Home / 255,560,439.36-352,843,672.32-151,172,042.56

Finding the Fourth Proportional to 255,560,439.36, 352,843,672.32 and 151,172,042.56

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Solution

The fourth proportional to 255,560,439.36, 352,843,672.32 and 151,172,042.56 is: 208,718,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,560,439.36 : 352,843,672.32 = 151,172,042.56 : x
  2. Step 2: Convert to fraction form
    255,560,439.36/352,843,672.32 = 151,172,042.56/x
  3. Step 3: Cross multiply
    255,560,439.36x = 352,843,672.32 × 151,172,042.56
  4. Step 4: Simplify right side
    255,560,439.36x = 53,340,098,648,985,736
  5. Step 5: Solve for x
    x = 53,340,098,648,985,736/255,560,439.36
  6. Step 6: Final answer
    x = 208,718,136.43

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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.