Home / 69,211,900.80-103,817,851.20-33,380,092.80

Finding the Fourth Proportional to 69,211,900.80, 103,817,851.20 and 33,380,092.80

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Solution

The fourth proportional to 69,211,900.80, 103,817,851.20 and 33,380,092.80 is: 50,070,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,211,900.80 : 103,817,851.20 = 33,380,092.80 : x
  2. Step 2: Convert to fraction form
    69,211,900.80/103,817,851.20 = 33,380,092.80/x
  3. Step 3: Cross multiply
    69,211,900.80x = 103,817,851.20 × 33,380,092.80
  4. Step 4: Simplify right side
    69,211,900.80x = 3,465,449,507,352,591.50
  5. Step 5: Solve for x
    x = 3,465,449,507,352,591.50/69,211,900.80
  6. Step 6: Final answer
    x = 50,070,139.20

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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.