Home / 281,200,411.94-421,802,019.21-115,294,537.73

Finding the Fourth Proportional to 281,200,411.94, 421,802,019.21 and 115,294,537.73

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Solution

The fourth proportional to 281,200,411.94, 421,802,019.21 and 115,294,537.73 is: 172,942,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,200,411.94 : 421,802,019.21 = 115,294,537.73 : x
  2. Step 2: Convert to fraction form
    281,200,411.94/421,802,019.21 = 115,294,537.73/x
  3. Step 3: Cross multiply
    281,200,411.94x = 421,802,019.21 × 115,294,537.73
  4. Step 4: Simplify right side
    281,200,411.94x = 48,631,468,816,288,512
  5. Step 5: Solve for x
    x = 48,631,468,816,288,512/281,200,411.94
  6. Step 6: Final answer
    x = 172,942,381.14

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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.