Home / 57,781,975.44-86,647,766.22-21,854,989.20

Finding the Fourth Proportional to 57,781,975.44, 86,647,766.22 and 21,854,989.20

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Solution

The fourth proportional to 57,781,975.44, 86,647,766.22 and 21,854,989.20 is: 32,772,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,781,975.44 : 86,647,766.22 = 21,854,989.20 : x
  2. Step 2: Convert to fraction form
    57,781,975.44/86,647,766.22 = 21,854,989.20/x
  3. Step 3: Cross multiply
    57,781,975.44x = 86,647,766.22 × 21,854,989.20
  4. Step 4: Simplify right side
    57,781,975.44x = 1,893,685,994,942,224.75
  5. Step 5: Solve for x
    x = 1,893,685,994,942,224.75/57,781,975.44
  6. Step 6: Final answer
    x = 32,772,953.51

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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.