Home / 272,486,662.08-408,795,069.60-90,735,414.72

Finding the Fourth Proportional to 272,486,662.08, 408,795,069.60 and 90,735,414.72

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Solution

The fourth proportional to 272,486,662.08, 408,795,069.60 and 90,735,414.72 is: 136,124,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,486,662.08 : 408,795,069.60 = 90,735,414.72 : x
  2. Step 2: Convert to fraction form
    272,486,662.08/408,795,069.60 = 90,735,414.72/x
  3. Step 3: Cross multiply
    272,486,662.08x = 408,795,069.60 × 90,735,414.72
  4. Step 4: Simplify right side
    272,486,662.08x = 37,092,190,175,647,264
  5. Step 5: Solve for x
    x = 37,092,190,175,647,264/272,486,662.08
  6. Step 6: Final answer
    x = 136,124,791.92

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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.