Home / 313,336,198.64-432,413,687.28-172,204,858.16

Finding the Fourth Proportional to 313,336,198.64, 432,413,687.28 and 172,204,858.16

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Solution

The fourth proportional to 313,336,198.64, 432,413,687.28 and 172,204,858.16 is: 237,648,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,336,198.64 : 432,413,687.28 = 172,204,858.16 : x
  2. Step 2: Convert to fraction form
    313,336,198.64/432,413,687.28 = 172,204,858.16/x
  3. Step 3: Cross multiply
    313,336,198.64x = 432,413,687.28 × 172,204,858.16
  4. Step 4: Simplify right side
    313,336,198.64x = 74,463,737,684,494,992
  5. Step 5: Solve for x
    x = 74,463,737,684,494,992/313,336,198.64
  6. Step 6: Final answer
    x = 237,648,053.46

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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.