Home / 325,969,418.10-488,786,165.55-121,392,189.30

Finding the Fourth Proportional to 325,969,418.10, 488,786,165.55 and 121,392,189.30

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Solution

The fourth proportional to 325,969,418.10, 488,786,165.55 and 121,392,189.30 is: 182,025,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,969,418.10 : 488,786,165.55 = 121,392,189.30 : x
  2. Step 2: Convert to fraction form
    325,969,418.10/488,786,165.55 = 121,392,189.30/x
  3. Step 3: Cross multiply
    325,969,418.10x = 488,786,165.55 × 121,392,189.30
  4. Step 4: Simplify right side
    325,969,418.10x = 59,334,822,735,666,736
  5. Step 5: Solve for x
    x = 59,334,822,735,666,736/325,969,418.10
  6. Step 6: Final answer
    x = 182,025,734.44

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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.