Home / 265,970,919.06-398,610,327.72-108,220,091.58

Finding the Fourth Proportional to 265,970,919.06, 398,610,327.72 and 108,220,091.58

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Solution

The fourth proportional to 265,970,919.06, 398,610,327.72 and 108,220,091.58 is: 162,189,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,970,919.06 : 398,610,327.72 = 108,220,091.58 : x
  2. Step 2: Convert to fraction form
    265,970,919.06/398,610,327.72 = 108,220,091.58/x
  3. Step 3: Cross multiply
    265,970,919.06x = 398,610,327.72 × 108,220,091.58
  4. Step 4: Simplify right side
    265,970,919.06x = 43,137,646,170,592,216
  5. Step 5: Solve for x
    x = 43,137,646,170,592,216/265,970,919.06
  6. Step 6: Final answer
    x = 162,189,333.79

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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.