Home / 257,554,067.62-355,517,063.82-153,131,889.83

Finding the Fourth Proportional to 257,554,067.62, 355,517,063.82 and 153,131,889.83

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Solution

The fourth proportional to 257,554,067.62, 355,517,063.82 and 153,131,889.83 is: 211,376,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,554,067.62 : 355,517,063.82 = 153,131,889.83 : x
  2. Step 2: Convert to fraction form
    257,554,067.62/355,517,063.82 = 153,131,889.83/x
  3. Step 3: Cross multiply
    257,554,067.62x = 355,517,063.82 × 153,131,889.83
  4. Step 4: Simplify right side
    257,554,067.62x = 54,440,999,849,569,320
  5. Step 5: Solve for x
    x = 54,440,999,849,569,320/257,554,067.62
  6. Step 6: Final answer
    x = 211,376,975.53

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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.