Home / 267,344,737.68-401,022,705.60-85,591,390.80

Finding the Fourth Proportional to 267,344,737.68, 401,022,705.60 and 85,591,390.80

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Solution

The fourth proportional to 267,344,737.68, 401,022,705.60 and 85,591,390.80 is: 128,388,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,344,737.68 : 401,022,705.60 = 85,591,390.80 : x
  2. Step 2: Convert to fraction form
    267,344,737.68/401,022,705.60 = 85,591,390.80/x
  3. Step 3: Cross multiply
    267,344,737.68x = 401,022,705.60 × 85,591,390.80
  4. Step 4: Simplify right side
    267,344,737.68x = 34,324,091,114,682,948
  5. Step 5: Solve for x
    x = 34,324,091,114,682,948/267,344,737.68
  6. Step 6: Final answer
    x = 128,388,878.77

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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.