Home / 275,055,180.12-380,120,531.22-225,417,278.52

Finding the Fourth Proportional to 275,055,180.12, 380,120,531.22 and 225,417,278.52

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Solution

The fourth proportional to 275,055,180.12, 380,120,531.22 and 225,417,278.52 is: 311,521,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,055,180.12 : 380,120,531.22 = 225,417,278.52 : x
  2. Step 2: Convert to fraction form
    275,055,180.12/380,120,531.22 = 225,417,278.52/x
  3. Step 3: Cross multiply
    275,055,180.12x = 380,120,531.22 × 225,417,278.52
  4. Step 4: Simplify right side
    275,055,180.12x = 85,685,735,657,189,104
  5. Step 5: Solve for x
    x = 85,685,735,657,189,104/275,055,180.12
  6. Step 6: Final answer
    x = 311,521,984.86

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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.