Home / 100,334,622.30-150,501,933.45-80,179,230.30

Finding the Fourth Proportional to 100,334,622.30, 150,501,933.45 and 80,179,230.30

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Solution

The fourth proportional to 100,334,622.30, 150,501,933.45 and 80,179,230.30 is: 120,268,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,334,622.30 : 150,501,933.45 = 80,179,230.30 : x
  2. Step 2: Convert to fraction form
    100,334,622.30/150,501,933.45 = 80,179,230.30/x
  3. Step 3: Cross multiply
    100,334,622.30x = 150,501,933.45 × 80,179,230.30
  4. Step 4: Simplify right side
    100,334,622.30x = 12,067,129,182,682,822
  5. Step 5: Solve for x
    x = 12,067,129,182,682,822/100,334,622.30
  6. Step 6: Final answer
    x = 120,268,845.45

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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.