Home / 166,578,217.89-230,316,753.42-145,892,369.04

Finding the Fourth Proportional to 166,578,217.89, 230,316,753.42 and 145,892,369.04

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Solution

The fourth proportional to 166,578,217.89, 230,316,753.42 and 145,892,369.04 is: 201,715,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,578,217.89 : 230,316,753.42 = 145,892,369.04 : x
  2. Step 2: Convert to fraction form
    166,578,217.89/230,316,753.42 = 145,892,369.04/x
  3. Step 3: Cross multiply
    166,578,217.89x = 230,316,753.42 × 145,892,369.04
  4. Step 4: Simplify right side
    166,578,217.89x = 33,601,456,786,045,320
  5. Step 5: Solve for x
    x = 33,601,456,786,045,320/166,578,217.89
  6. Step 6: Final answer
    x = 201,715,789.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.