Home / 266,550,596.79-399,960,406.62-120,891,257.34

Finding the Fourth Proportional to 266,550,596.79, 399,960,406.62 and 120,891,257.34

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Solution

The fourth proportional to 266,550,596.79, 399,960,406.62 and 120,891,257.34 is: 181,397,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,550,596.79 : 399,960,406.62 = 120,891,257.34 : x
  2. Step 2: Convert to fraction form
    266,550,596.79/399,960,406.62 = 120,891,257.34/x
  3. Step 3: Cross multiply
    266,550,596.79x = 399,960,406.62 × 120,891,257.34
  4. Step 4: Simplify right side
    266,550,596.79x = 48,351,716,442,509,464
  5. Step 5: Solve for x
    x = 48,351,716,442,509,464/266,550,596.79
  6. Step 6: Final answer
    x = 181,397,892.28

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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.