Home / 266,239,249.80-399,401,787.90-82,006,640.34

Finding the Fourth Proportional to 266,239,249.80, 399,401,787.90 and 82,006,640.34

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Solution

The fourth proportional to 266,239,249.80, 399,401,787.90 and 82,006,640.34 is: 123,023,178.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,239,249.80 : 399,401,787.90 = 82,006,640.34 : x
  2. Step 2: Convert to fraction form
    266,239,249.80/399,401,787.90 = 82,006,640.34/x
  3. Step 3: Cross multiply
    266,239,249.80x = 399,401,787.90 × 82,006,640.34
  4. Step 4: Simplify right side
    266,239,249.80x = 32,753,598,771,468,264
  5. Step 5: Solve for x
    x = 32,753,598,771,468,264/266,239,249.80
  6. Step 6: Final answer
    x = 123,023,178.57

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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.