Home / 64,156,722.20-96,235,083.30-21,015,522.80

Finding the Fourth Proportional to 64,156,722.20, 96,235,083.30 and 21,015,522.80

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Solution

The fourth proportional to 64,156,722.20, 96,235,083.30 and 21,015,522.80 is: 31,523,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,156,722.20 : 96,235,083.30 = 21,015,522.80 : x
  2. Step 2: Convert to fraction form
    64,156,722.20/96,235,083.30 = 21,015,522.80/x
  3. Step 3: Cross multiply
    64,156,722.20x = 96,235,083.30 × 21,015,522.80
  4. Step 4: Simplify right side
    64,156,722.20x = 2,022,430,587,251,049.25
  5. Step 5: Solve for x
    x = 2,022,430,587,251,049.25/64,156,722.20
  6. Step 6: Final answer
    x = 31,523,284.20

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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.