Home / 266,239,210.04-399,401,728.21-82,006,600.49

Finding the Fourth Proportional to 266,239,210.04, 399,401,728.21 and 82,006,600.49

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Solution

The fourth proportional to 266,239,210.04, 399,401,728.21 and 82,006,600.49 is: 123,023,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,239,210.04 : 399,401,728.21 = 82,006,600.49 : x
  2. Step 2: Convert to fraction form
    266,239,210.04/399,401,728.21 = 82,006,600.49/x
  3. Step 3: Cross multiply
    266,239,210.04x = 399,401,728.21 × 82,006,600.49
  4. Step 4: Simplify right side
    266,239,210.04x = 32,753,577,958,336,024
  5. Step 5: Solve for x
    x = 32,753,577,958,336,024/266,239,210.04
  6. Step 6: Final answer
    x = 123,023,118.77

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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.