Home / 64,158,855.27-96,199,849.78-20,420,721.04

Finding the Fourth Proportional to 64,158,855.27, 96,199,849.78 and 20,420,721.04

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Solution

The fourth proportional to 64,158,855.27, 96,199,849.78 and 20,420,721.04 is: 30,618,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,158,855.27 : 96,199,849.78 = 20,420,721.04 : x
  2. Step 2: Convert to fraction form
    64,158,855.27/96,199,849.78 = 20,420,721.04/x
  3. Step 3: Cross multiply
    64,158,855.27x = 96,199,849.78 × 20,420,721.04
  4. Step 4: Simplify right side
    64,158,855.27x = 1,964,470,296,345,181.75
  5. Step 5: Solve for x
    x = 1,964,470,296,345,181.75/64,158,855.27
  6. Step 6: Final answer
    x = 30,618,848.92

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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.