Home / 266,239,213.93-399,401,734.05-82,006,604.37

Finding the Fourth Proportional to 266,239,213.93, 399,401,734.05 and 82,006,604.37

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Solution

The fourth proportional to 266,239,213.93, 399,401,734.05 and 82,006,604.37 is: 123,023,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,239,213.93 : 399,401,734.05 = 82,006,604.37 : x
  2. Step 2: Convert to fraction form
    266,239,213.93/399,401,734.05 = 82,006,604.37/x
  3. Step 3: Cross multiply
    266,239,213.93x = 399,401,734.05 × 82,006,604.37
  4. Step 4: Simplify right side
    266,239,213.93x = 32,753,579,988,930,312
  5. Step 5: Solve for x
    x = 32,753,579,988,930,312/266,239,213.93
  6. Step 6: Final answer
    x = 123,023,124.60

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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.