Home / 107,839,231.40-161,758,847.10-67,024,562.60

Finding the Fourth Proportional to 107,839,231.40, 161,758,847.10 and 67,024,562.60

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Solution

The fourth proportional to 107,839,231.40, 161,758,847.10 and 67,024,562.60 is: 100,536,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,231.40 : 161,758,847.10 = 67,024,562.60 : x
  2. Step 2: Convert to fraction form
    107,839,231.40/161,758,847.10 = 67,024,562.60/x
  3. Step 3: Cross multiply
    107,839,231.40x = 161,758,847.10 × 67,024,562.60
  4. Step 4: Simplify right side
    107,839,231.40x = 10,841,815,973,557,778
  5. Step 5: Solve for x
    x = 10,841,815,973,557,778/107,839,231.40
  6. Step 6: Final answer
    x = 100,536,843.90

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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.