Home / 69,895,781.56-104,836,586.46-18,771,157.36

Finding the Fourth Proportional to 69,895,781.56, 104,836,586.46 and 18,771,157.36

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Solution

The fourth proportional to 69,895,781.56, 104,836,586.46 and 18,771,157.36 is: 28,154,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,895,781.56 : 104,836,586.46 = 18,771,157.36 : x
  2. Step 2: Convert to fraction form
    69,895,781.56/104,836,586.46 = 18,771,157.36/x
  3. Step 3: Cross multiply
    69,895,781.56x = 104,836,586.46 × 18,771,157.36
  4. Step 4: Simplify right side
    69,895,781.56x = 1,967,904,061,525,905.25
  5. Step 5: Solve for x
    x = 1,967,904,061,525,905.25/69,895,781.56
  6. Step 6: Final answer
    x = 28,154,833.06

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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.