Home / 266,239,214.43-399,401,734.80-82,006,604.87

Finding the Fourth Proportional to 266,239,214.43, 399,401,734.80 and 82,006,604.87

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Solution

The fourth proportional to 266,239,214.43, 399,401,734.80 and 82,006,604.87 is: 123,023,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,239,214.43 : 399,401,734.80 = 82,006,604.87 : x
  2. Step 2: Convert to fraction form
    266,239,214.43/399,401,734.80 = 82,006,604.87/x
  3. Step 3: Cross multiply
    266,239,214.43x = 399,401,734.80 × 82,006,604.87
  4. Step 4: Simplify right side
    266,239,214.43x = 32,753,580,250,136,132
  5. Step 5: Solve for x
    x = 32,753,580,250,136,132/266,239,214.43
  6. Step 6: Final answer
    x = 123,023,125.35

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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.