Home / 181,916,234.20-272,874,351.30-138,869,513.20

Finding the Fourth Proportional to 181,916,234.20, 272,874,351.30 and 138,869,513.20

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Solution

The fourth proportional to 181,916,234.20, 272,874,351.30 and 138,869,513.20 is: 208,304,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,916,234.20 : 272,874,351.30 = 138,869,513.20 : x
  2. Step 2: Convert to fraction form
    181,916,234.20/272,874,351.30 = 138,869,513.20/x
  3. Step 3: Cross multiply
    181,916,234.20x = 272,874,351.30 × 138,869,513.20
  4. Step 4: Simplify right side
    181,916,234.20x = 37,893,928,329,796,784
  5. Step 5: Solve for x
    x = 37,893,928,329,796,784/181,916,234.20
  6. Step 6: Final answer
    x = 208,304,269.80

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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.