Home / 69,524,871.60-104,287,307.40-18,414,778.80

Finding the Fourth Proportional to 69,524,871.60, 104,287,307.40 and 18,414,778.80

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Solution

The fourth proportional to 69,524,871.60, 104,287,307.40 and 18,414,778.80 is: 27,622,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,524,871.60 : 104,287,307.40 = 18,414,778.80 : x
  2. Step 2: Convert to fraction form
    69,524,871.60/104,287,307.40 = 18,414,778.80/x
  3. Step 3: Cross multiply
    69,524,871.60x = 104,287,307.40 × 18,414,778.80
  4. Step 4: Simplify right side
    69,524,871.60x = 1,920,427,697,418,603.25
  5. Step 5: Solve for x
    x = 1,920,427,697,418,603.25/69,524,871.60
  6. Step 6: Final answer
    x = 27,622,168.20

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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.