Home / 80,154,420.75-110,613,314.48-43,484,991.75

Finding the Fourth Proportional to 80,154,420.75, 110,613,314.48 and 43,484,991.75

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Solution

The fourth proportional to 80,154,420.75, 110,613,314.48 and 43,484,991.75 is: 60,009,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,154,420.75 : 110,613,314.48 = 43,484,991.75 : x
  2. Step 2: Convert to fraction form
    80,154,420.75/110,613,314.48 = 43,484,991.75/x
  3. Step 3: Cross multiply
    80,154,420.75x = 110,613,314.48 × 43,484,991.75
  4. Step 4: Simplify right side
    80,154,420.75x = 4,810,019,067,385,530
  5. Step 5: Solve for x
    x = 4,810,019,067,385,530/80,154,420.75
  6. Step 6: Final answer
    x = 60,009,404.63

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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.