Home / 68,672,247.20-103,008,370.80-59,425,173.80

Finding the Fourth Proportional to 68,672,247.20, 103,008,370.80 and 59,425,173.80

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Solution

The fourth proportional to 68,672,247.20, 103,008,370.80 and 59,425,173.80 is: 89,137,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,672,247.20 : 103,008,370.80 = 59,425,173.80 : x
  2. Step 2: Convert to fraction form
    68,672,247.20/103,008,370.80 = 59,425,173.80/x
  3. Step 3: Cross multiply
    68,672,247.20x = 103,008,370.80 × 59,425,173.80
  4. Step 4: Simplify right side
    68,672,247.20x = 6,121,290,337,644,845
  5. Step 5: Solve for x
    x = 6,121,290,337,644,845/68,672,247.20
  6. Step 6: Final answer
    x = 89,137,760.70

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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.