Home / 103,581,115,644.20-142,940,430,766.32-57,856,041,704.12

Finding the Fourth Proportional to 103,581,115,644.20, 142,940,430,766.32 and 57,856,041,704.12

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Solution

The fourth proportional to 103,581,115,644.20, 142,940,430,766.32 and 57,856,041,704.12 is: 79,840,494,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,581,115,644.20 : 142,940,430,766.32 = 57,856,041,704.12 : x
  2. Step 2: Convert to fraction form
    103,581,115,644.20/142,940,430,766.32 = 57,856,041,704.12/x
  3. Step 3: Cross multiply
    103,581,115,644.20x = 142,940,430,766.32 × 57,856,041,704.12
  4. Step 4: Simplify right side
    103,581,115,644.20x = 8,269,967,523,620,372,611,072
  5. Step 5: Solve for x
    x = 8,269,967,523,620,372,611,072/103,581,115,644.20
  6. Step 6: Final answer
    x = 79,840,494,786.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.