Home / 422,501,525.53-633,304,998.01-142,115,521.83

Finding the Fourth Proportional to 422,501,525.53, 633,304,998.01 and 142,115,521.83

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Solution

The fourth proportional to 422,501,525.53, 633,304,998.01 and 142,115,521.83 is: 213,022,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,501,525.53 : 633,304,998.01 = 142,115,521.83 : x
  2. Step 2: Convert to fraction form
    422,501,525.53/633,304,998.01 = 142,115,521.83/x
  3. Step 3: Cross multiply
    422,501,525.53x = 633,304,998.01 × 142,115,521.83
  4. Step 4: Simplify right side
    422,501,525.53x = 90,002,470,270,682,496
  5. Step 5: Solve for x
    x = 90,002,470,270,682,496/422,501,525.53
  6. Step 6: Final answer
    x = 213,022,829.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.