Home / 275,869,078.89-380,791,580.21-164,394,875.87

Finding the Fourth Proportional to 275,869,078.89, 380,791,580.21 and 164,394,875.87

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Solution

The fourth proportional to 275,869,078.89, 380,791,580.21 and 164,394,875.87 is: 226,919,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,869,078.89 : 380,791,580.21 = 164,394,875.87 : x
  2. Step 2: Convert to fraction form
    275,869,078.89/380,791,580.21 = 164,394,875.87/x
  3. Step 3: Cross multiply
    275,869,078.89x = 380,791,580.21 × 164,394,875.87
  4. Step 4: Simplify right side
    275,869,078.89x = 62,600,184,560,964,096
  5. Step 5: Solve for x
    x = 62,600,184,560,964,096/275,869,078.89
  6. Step 6: Final answer
    x = 226,919,902.78

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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.