Home / 69,811,134.53-104,716,419.10-21,288,847.85

Finding the Fourth Proportional to 69,811,134.53, 104,716,419.10 and 21,288,847.85

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Solution

The fourth proportional to 69,811,134.53, 104,716,419.10 and 21,288,847.85 is: 31,933,185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,811,134.53 : 104,716,419.10 = 21,288,847.85 : x
  2. Step 2: Convert to fraction form
    69,811,134.53/104,716,419.10 = 21,288,847.85/x
  3. Step 3: Cross multiply
    69,811,134.53x = 104,716,419.10 × 21,288,847.85
  4. Step 4: Simplify right side
    69,811,134.53x = 2,229,291,913,432,616
  5. Step 5: Solve for x
    x = 2,229,291,913,432,616/69,811,134.53
  6. Step 6: Final answer
    x = 31,933,185.57

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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.