Home / 87,362,923.20-131,128,365.60-44,280,772.80

Finding the Fourth Proportional to 87,362,923.20, 131,128,365.60 and 44,280,772.80

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Solution

The fourth proportional to 87,362,923.20, 131,128,365.60 and 44,280,772.80 is: 66,463,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,362,923.20 : 131,128,365.60 = 44,280,772.80 : x
  2. Step 2: Convert to fraction form
    87,362,923.20/131,128,365.60 = 44,280,772.80/x
  3. Step 3: Cross multiply
    87,362,923.20x = 131,128,365.60 × 44,280,772.80
  4. Step 4: Simplify right side
    87,362,923.20x = 5,806,465,364,768,935
  5. Step 5: Solve for x
    x = 5,806,465,364,768,935/87,362,923.20
  6. Step 6: Final answer
    x = 66,463,725.71

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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.