Home / 51,777,929.28-77,701,566.24-21,485,821.44

Finding the Fourth Proportional to 51,777,929.28, 77,701,566.24 and 21,485,821.44

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Solution

The fourth proportional to 51,777,929.28, 77,701,566.24 and 21,485,821.44 is: 32,243,119.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,777,929.28 : 77,701,566.24 = 21,485,821.44 : x
  2. Step 2: Convert to fraction form
    51,777,929.28/77,701,566.24 = 21,485,821.44/x
  3. Step 3: Cross multiply
    51,777,929.28x = 77,701,566.24 × 21,485,821.44
  4. Step 4: Simplify right side
    51,777,929.28x = 1,669,481,977,840,972.25
  5. Step 5: Solve for x
    x = 1,669,481,977,840,972.25/51,777,929.28
  6. Step 6: Final answer
    x = 32,243,119.82

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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.