Home / 111,967,998.40-167,951,997.60-47,344,772.80

Finding the Fourth Proportional to 111,967,998.40, 167,951,997.60 and 47,344,772.80

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Solution

The fourth proportional to 111,967,998.40, 167,951,997.60 and 47,344,772.80 is: 71,017,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,967,998.40 : 167,951,997.60 = 47,344,772.80 : x
  2. Step 2: Convert to fraction form
    111,967,998.40/167,951,997.60 = 47,344,772.80/x
  3. Step 3: Cross multiply
    111,967,998.40x = 167,951,997.60 × 47,344,772.80
  4. Step 4: Simplify right side
    111,967,998.40x = 7,951,649,167,678,144
  5. Step 5: Solve for x
    x = 7,951,649,167,678,144/111,967,998.40
  6. Step 6: Final answer
    x = 71,017,159.20

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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.