Home / 72,409,303.44-108,542,211.84-34,002,064.80

Finding the Fourth Proportional to 72,409,303.44, 108,542,211.84 and 34,002,064.80

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Solution

The fourth proportional to 72,409,303.44, 108,542,211.84 and 34,002,064.80 is: 50,969,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,409,303.44 : 108,542,211.84 = 34,002,064.80 : x
  2. Step 2: Convert to fraction form
    72,409,303.44/108,542,211.84 = 34,002,064.80/x
  3. Step 3: Cross multiply
    72,409,303.44x = 108,542,211.84 × 34,002,064.80
  4. Step 4: Simplify right side
    72,409,303.44x = 3,690,659,320,519,007
  5. Step 5: Solve for x
    x = 3,690,659,320,519,007/72,409,303.44
  6. Step 6: Final answer
    x = 50,969,407.87

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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.