Home / 64,156,601.70-96,234,902.55-21,015,402.30

Finding the Fourth Proportional to 64,156,601.70, 96,234,902.55 and 21,015,402.30

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Solution

The fourth proportional to 64,156,601.70, 96,234,902.55 and 21,015,402.30 is: 31,523,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,156,601.70 : 96,234,902.55 = 21,015,402.30 : x
  2. Step 2: Convert to fraction form
    64,156,601.70/96,234,902.55 = 21,015,402.30/x
  3. Step 3: Cross multiply
    64,156,601.70x = 96,234,902.55 × 21,015,402.30
  4. Step 4: Simplify right side
    64,156,601.70x = 2,022,415,192,389,545.75
  5. Step 5: Solve for x
    x = 2,022,415,192,389,545.75/64,156,601.70
  6. Step 6: Final answer
    x = 31,523,103.45

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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.