Home / 52,091,861.30-78,165,785.55-21,802,786.10

Finding the Fourth Proportional to 52,091,861.30, 78,165,785.55 and 21,802,786.10

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Solution

The fourth proportional to 52,091,861.30, 78,165,785.55 and 21,802,786.10 is: 32,715,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,091,861.30 : 78,165,785.55 = 21,802,786.10 : x
  2. Step 2: Convert to fraction form
    52,091,861.30/78,165,785.55 = 21,802,786.10/x
  3. Step 3: Cross multiply
    52,091,861.30x = 78,165,785.55 × 21,802,786.10
  4. Step 4: Simplify right side
    52,091,861.30x = 1,704,231,902,685,121
  5. Step 5: Solve for x
    x = 1,704,231,902,685,121/52,091,861.30
  6. Step 6: Final answer
    x = 32,715,895.73

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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.