Home / 69,115,915.66-103,679,826.99-17,998,027.42

Finding the Fourth Proportional to 69,115,915.66, 103,679,826.99 and 17,998,027.42

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Solution

The fourth proportional to 69,115,915.66, 103,679,826.99 and 17,998,027.42 is: 26,998,591.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,115,915.66 : 103,679,826.99 = 17,998,027.42 : x
  2. Step 2: Convert to fraction form
    69,115,915.66/103,679,826.99 = 17,998,027.42/x
  3. Step 3: Cross multiply
    69,115,915.66x = 103,679,826.99 × 17,998,027.42
  4. Step 4: Simplify right side
    69,115,915.66x = 1,866,032,369,066,876.25
  5. Step 5: Solve for x
    x = 1,866,032,369,066,876.25/69,115,915.66
  6. Step 6: Final answer
    x = 26,998,591.44

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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.