Home / 80,618,132.37-120,907,267.86-34,554,777.60

Finding the Fourth Proportional to 80,618,132.37, 120,907,267.86 and 34,554,777.60

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Solution

The fourth proportional to 80,618,132.37, 120,907,267.86 and 34,554,777.60 is: 51,823,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,618,132.37 : 120,907,267.86 = 34,554,777.60 : x
  2. Step 2: Convert to fraction form
    80,618,132.37/120,907,267.86 = 34,554,777.60/x
  3. Step 3: Cross multiply
    80,618,132.37x = 120,907,267.86 × 34,554,777.60
  4. Step 4: Simplify right side
    80,618,132.37x = 4,177,923,751,125,928
  5. Step 5: Solve for x
    x = 4,177,923,751,125,928/80,618,132.37
  6. Step 6: Final answer
    x = 51,823,623.65

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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.