Home / 82,441,982.20-123,662,973.30-80,552,414.20

Finding the Fourth Proportional to 82,441,982.20, 123,662,973.30 and 80,552,414.20

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Solution

The fourth proportional to 82,441,982.20, 123,662,973.30 and 80,552,414.20 is: 120,828,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,441,982.20 : 123,662,973.30 = 80,552,414.20 : x
  2. Step 2: Convert to fraction form
    82,441,982.20/123,662,973.30 = 80,552,414.20/x
  3. Step 3: Cross multiply
    82,441,982.20x = 123,662,973.30 × 80,552,414.20
  4. Step 4: Simplify right side
    82,441,982.20x = 9,961,351,046,465,140
  5. Step 5: Solve for x
    x = 9,961,351,046,465,140/82,441,982.20
  6. Step 6: Final answer
    x = 120,828,621.30

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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.