Home / 169,085,667.02-253,635,198.57-80,432,942.95

Finding the Fourth Proportional to 169,085,667.02, 253,635,198.57 and 80,432,942.95

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Solution

The fourth proportional to 169,085,667.02, 253,635,198.57 and 80,432,942.95 is: 120,652,600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,085,667.02 : 253,635,198.57 = 80,432,942.95 : x
  2. Step 2: Convert to fraction form
    169,085,667.02/253,635,198.57 = 80,432,942.95/x
  3. Step 3: Cross multiply
    169,085,667.02x = 253,635,198.57 × 80,432,942.95
  4. Step 4: Simplify right side
    169,085,667.02x = 20,400,625,455,809,096
  5. Step 5: Solve for x
    x = 20,400,625,455,809,096/169,085,667.02
  6. Step 6: Final answer
    x = 120,652,600.63

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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.