Home / 80,154,589.44-110,613,372.48-43,485,150.72

Finding the Fourth Proportional to 80,154,589.44, 110,613,372.48 and 43,485,150.72

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Solution

The fourth proportional to 80,154,589.44, 110,613,372.48 and 43,485,150.72 is: 60,009,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,154,589.44 : 110,613,372.48 = 43,485,150.72 : x
  2. Step 2: Convert to fraction form
    80,154,589.44/110,613,372.48 = 43,485,150.72/x
  3. Step 3: Cross multiply
    80,154,589.44x = 110,613,372.48 × 43,485,150.72
  4. Step 4: Simplify right side
    80,154,589.44x = 4,810,039,173,940,300
  5. Step 5: Solve for x
    x = 4,810,039,173,940,300/80,154,589.44
  6. Step 6: Final answer
    x = 60,009,529.18

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1.5x scale

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.