Home / 80,775,077.80-121,162,616.70-48,526,450.60

Finding the Fourth Proportional to 80,775,077.80, 121,162,616.70 and 48,526,450.60

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Solution

The fourth proportional to 80,775,077.80, 121,162,616.70 and 48,526,450.60 is: 72,789,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,775,077.80 : 121,162,616.70 = 48,526,450.60 : x
  2. Step 2: Convert to fraction form
    80,775,077.80/121,162,616.70 = 48,526,450.60/x
  3. Step 3: Cross multiply
    80,775,077.80x = 121,162,616.70 × 48,526,450.60
  4. Step 4: Simplify right side
    80,775,077.80x = 5,879,591,733,859,285
  5. Step 5: Solve for x
    x = 5,879,591,733,859,285/80,775,077.80
  6. Step 6: Final answer
    x = 72,789,675.90

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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.