Home / 69,483,106.71-104,225,408.46-20,961,380.88

Finding the Fourth Proportional to 69,483,106.71, 104,225,408.46 and 20,961,380.88

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Solution

The fourth proportional to 69,483,106.71, 104,225,408.46 and 20,961,380.88 is: 31,442,297.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,483,106.71 : 104,225,408.46 = 20,961,380.88 : x
  2. Step 2: Convert to fraction form
    69,483,106.71/104,225,408.46 = 20,961,380.88/x
  3. Step 3: Cross multiply
    69,483,106.71x = 104,225,408.46 × 20,961,380.88
  4. Step 4: Simplify right side
    69,483,106.71x = 2,184,708,484,103,634
  5. Step 5: Solve for x
    x = 2,184,708,484,103,634/69,483,106.71
  6. Step 6: Final answer
    x = 31,442,297.09

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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.