Home / 64,777,972.13-97,166,958.20-21,647,175.51

Finding the Fourth Proportional to 64,777,972.13, 97,166,958.20 and 21,647,175.51

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Solution

The fourth proportional to 64,777,972.13, 97,166,958.20 and 21,647,175.51 is: 32,470,763.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,777,972.13 : 97,166,958.20 = 21,647,175.51 : x
  2. Step 2: Convert to fraction form
    64,777,972.13/97,166,958.20 = 21,647,175.51/x
  3. Step 3: Cross multiply
    64,777,972.13x = 97,166,958.20 × 21,647,175.51
  4. Step 4: Simplify right side
    64,777,972.13x = 2,103,390,197,928,234
  5. Step 5: Solve for x
    x = 2,103,390,197,928,234/64,777,972.13
  6. Step 6: Final answer
    x = 32,470,763.27

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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.