Home / 81,652,665.60-122,337,280.80-52,883,992.80

Finding the Fourth Proportional to 81,652,665.60, 122,337,280.80 and 52,883,992.80

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Solution

The fourth proportional to 81,652,665.60, 122,337,280.80 and 52,883,992.80 is: 79,234,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,652,665.60 : 122,337,280.80 = 52,883,992.80 : x
  2. Step 2: Convert to fraction form
    81,652,665.60/122,337,280.80 = 52,883,992.80/x
  3. Step 3: Cross multiply
    81,652,665.60x = 122,337,280.80 × 52,883,992.80
  4. Step 4: Simplify right side
    81,652,665.60x = 6,469,683,876,998,778
  5. Step 5: Solve for x
    x = 6,469,683,876,998,778/81,652,665.60
  6. Step 6: Final answer
    x = 79,234,202.94

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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.