Home / 57,493,078.70-86,281,608.45-40,486,966.70

Finding the Fourth Proportional to 57,493,078.70, 86,281,608.45 and 40,486,966.70

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Solution

The fourth proportional to 57,493,078.70, 86,281,608.45 and 40,486,966.70 is: 60,760,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,493,078.70 : 86,281,608.45 = 40,486,966.70 : x
  2. Step 2: Convert to fraction form
    57,493,078.70/86,281,608.45 = 40,486,966.70/x
  3. Step 3: Cross multiply
    57,493,078.70x = 86,281,608.45 × 40,486,966.70
  4. Step 4: Simplify right side
    57,493,078.70x = 3,493,280,608,137,589
  5. Step 5: Solve for x
    x = 3,493,280,608,137,589/57,493,078.70
  6. Step 6: Final answer
    x = 60,760,019.94

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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.