Home / 272,987,631.10-409,481,446.65-181,154,626.30

Finding the Fourth Proportional to 272,987,631.10, 409,481,446.65 and 181,154,626.30

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Solution

The fourth proportional to 272,987,631.10, 409,481,446.65 and 181,154,626.30 is: 271,731,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,987,631.10 : 409,481,446.65 = 181,154,626.30 : x
  2. Step 2: Convert to fraction form
    272,987,631.10/409,481,446.65 = 181,154,626.30/x
  3. Step 3: Cross multiply
    272,987,631.10x = 409,481,446.65 × 181,154,626.30
  4. Step 4: Simplify right side
    272,987,631.10x = 74,179,458,444,664,144
  5. Step 5: Solve for x
    x = 74,179,458,444,664,144/272,987,631.10
  6. Step 6: Final answer
    x = 271,731,939.45

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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.