Home / 309,013,591.86-463,448,475.99-115,016,369.22

Finding the Fourth Proportional to 309,013,591.86, 463,448,475.99 and 115,016,369.22

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Solution

The fourth proportional to 309,013,591.86, 463,448,475.99 and 115,016,369.22 is: 172,497,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,013,591.86 : 463,448,475.99 = 115,016,369.22 : x
  2. Step 2: Convert to fraction form
    309,013,591.86/463,448,475.99 = 115,016,369.22/x
  3. Step 3: Cross multiply
    309,013,591.86x = 463,448,475.99 × 115,016,369.22
  4. Step 4: Simplify right side
    309,013,591.86x = 53,304,161,028,912,144
  5. Step 5: Solve for x
    x = 53,304,161,028,912,144/309,013,591.86
  6. Step 6: Final answer
    x = 172,497,787.91

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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.