Home / 57,431,992.80-86,147,989.20-47,228,325.60

Finding the Fourth Proportional to 57,431,992.80, 86,147,989.20 and 47,228,325.60

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Solution

The fourth proportional to 57,431,992.80, 86,147,989.20 and 47,228,325.60 is: 70,842,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,431,992.80 : 86,147,989.20 = 47,228,325.60 : x
  2. Step 2: Convert to fraction form
    57,431,992.80/86,147,989.20 = 47,228,325.60/x
  3. Step 3: Cross multiply
    57,431,992.80x = 86,147,989.20 × 47,228,325.60
  4. Step 4: Simplify right side
    57,431,992.80x = 4,068,625,283,722,884
  5. Step 5: Solve for x
    x = 4,068,625,283,722,884/57,431,992.80
  6. Step 6: Final answer
    x = 70,842,488.40

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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.