Home / 228,831,591.27-315,854,801.90-149,458,786.91

Finding the Fourth Proportional to 228,831,591.27, 315,854,801.90 and 149,458,786.91

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Solution

The fourth proportional to 228,831,591.27, 315,854,801.90 and 149,458,786.91 is: 206,297,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,831,591.27 : 315,854,801.90 = 149,458,786.91 : x
  2. Step 2: Convert to fraction form
    228,831,591.27/315,854,801.90 = 149,458,786.91/x
  3. Step 3: Cross multiply
    228,831,591.27x = 315,854,801.90 × 149,458,786.91
  4. Step 4: Simplify right side
    228,831,591.27x = 47,207,275,531,090,720
  5. Step 5: Solve for x
    x = 47,207,275,531,090,720/228,831,591.27
  6. Step 6: Final answer
    x = 206,297,020.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.