Home / 68,838,022.20-103,257,033.30-38,227,020.60

Finding the Fourth Proportional to 68,838,022.20, 103,257,033.30 and 38,227,020.60

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Solution

The fourth proportional to 68,838,022.20, 103,257,033.30 and 38,227,020.60 is: 57,340,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,838,022.20 : 103,257,033.30 = 38,227,020.60 : x
  2. Step 2: Convert to fraction form
    68,838,022.20/103,257,033.30 = 38,227,020.60/x
  3. Step 3: Cross multiply
    68,838,022.20x = 103,257,033.30 × 38,227,020.60
  4. Step 4: Simplify right side
    68,838,022.20x = 3,947,208,739,053,986
  5. Step 5: Solve for x
    x = 3,947,208,739,053,986/68,838,022.20
  6. Step 6: Final answer
    x = 57,340,530.90

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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.