Home / 69,210,108.80-103,815,163.20-33,378,300.80

Finding the Fourth Proportional to 69,210,108.80, 103,815,163.20 and 33,378,300.80

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Solution

The fourth proportional to 69,210,108.80, 103,815,163.20 and 33,378,300.80 is: 50,067,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,210,108.80 : 103,815,163.20 = 33,378,300.80 : x
  2. Step 2: Convert to fraction form
    69,210,108.80/103,815,163.20 = 33,378,300.80/x
  3. Step 3: Cross multiply
    69,210,108.80x = 103,815,163.20 × 33,378,300.80
  4. Step 4: Simplify right side
    69,210,108.80x = 3,465,173,744,890,690.50
  5. Step 5: Solve for x
    x = 3,465,173,744,890,690.50/69,210,108.80
  6. Step 6: Final answer
    x = 50,067,451.20

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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.