Home / 279,938,301.90-419,907,452.85-164,863,610.70

Finding the Fourth Proportional to 279,938,301.90, 419,907,452.85 and 164,863,610.70

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Solution

The fourth proportional to 279,938,301.90, 419,907,452.85 and 164,863,610.70 is: 247,295,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,938,301.90 : 419,907,452.85 = 164,863,610.70 : x
  2. Step 2: Convert to fraction form
    279,938,301.90/419,907,452.85 = 164,863,610.70/x
  3. Step 3: Cross multiply
    279,938,301.90x = 419,907,452.85 × 164,863,610.70
  4. Step 4: Simplify right side
    279,938,301.90x = 69,227,458,836,691,008
  5. Step 5: Solve for x
    x = 69,227,458,836,691,008/279,938,301.90
  6. Step 6: Final answer
    x = 247,295,416.05

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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.