Home / 64,156,498.20-96,234,747.30-21,015,298.80

Finding the Fourth Proportional to 64,156,498.20, 96,234,747.30 and 21,015,298.80

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Solution

The fourth proportional to 64,156,498.20, 96,234,747.30 and 21,015,298.80 is: 31,522,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,156,498.20 : 96,234,747.30 = 21,015,298.80 : x
  2. Step 2: Convert to fraction form
    64,156,498.20/96,234,747.30 = 21,015,298.80/x
  3. Step 3: Cross multiply
    64,156,498.20x = 96,234,747.30 × 21,015,298.80
  4. Step 4: Simplify right side
    64,156,498.20x = 2,022,401,969,451,993.25
  5. Step 5: Solve for x
    x = 2,022,401,969,451,993.25/64,156,498.20
  6. Step 6: Final answer
    x = 31,522,948.20

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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.