Home / 80,301,940.80-120,320,200.80-68,358,004.80

Finding the Fourth Proportional to 80,301,940.80, 120,320,200.80 and 68,358,004.80

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Solution

The fourth proportional to 80,301,940.80, 120,320,200.80 and 68,358,004.80 is: 102,424,035.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,301,940.80 : 120,320,200.80 = 68,358,004.80 : x
  2. Step 2: Convert to fraction form
    80,301,940.80/120,320,200.80 = 68,358,004.80/x
  3. Step 3: Cross multiply
    80,301,940.80x = 120,320,200.80 × 68,358,004.80
  4. Step 4: Simplify right side
    80,301,940.80x = 8,224,848,863,823,363
  5. Step 5: Solve for x
    x = 8,224,848,863,823,363/80,301,940.80
  6. Step 6: Final answer
    x = 102,424,035.86

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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.