Home / 266,579,131.18-399,886,242.30-69,847,361.64

Finding the Fourth Proportional to 266,579,131.18, 399,886,242.30 and 69,847,361.64

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Solution

The fourth proportional to 266,579,131.18, 399,886,242.30 and 69,847,361.64 is: 104,775,639.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,579,131.18 : 399,886,242.30 = 69,847,361.64 : x
  2. Step 2: Convert to fraction form
    266,579,131.18/399,886,242.30 = 69,847,361.64/x
  3. Step 3: Cross multiply
    266,579,131.18x = 399,886,242.30 × 69,847,361.64
  4. Step 4: Simplify right side
    266,579,131.18x = 27,930,998,978,440,100
  5. Step 5: Solve for x
    x = 27,930,998,978,440,100/266,579,131.18
  6. Step 6: Final answer
    x = 104,775,639.62

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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.