Home / 69,120,446.20-103,680,669.30-51,204,542.20

Finding the Fourth Proportional to 69,120,446.20, 103,680,669.30 and 51,204,542.20

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Solution

The fourth proportional to 69,120,446.20, 103,680,669.30 and 51,204,542.20 is: 76,806,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,120,446.20 : 103,680,669.30 = 51,204,542.20 : x
  2. Step 2: Convert to fraction form
    69,120,446.20/103,680,669.30 = 51,204,542.20/x
  3. Step 3: Cross multiply
    69,120,446.20x = 103,680,669.30 × 51,204,542.20
  4. Step 4: Simplify right side
    69,120,446.20x = 5,308,921,206,496,095
  5. Step 5: Solve for x
    x = 5,308,921,206,496,095/69,120,446.20
  6. Step 6: Final answer
    x = 76,806,813.30

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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.