Home / 68,958,029.14-103,452,180.99-20,439,625.30

Finding the Fourth Proportional to 68,958,029.14, 103,452,180.99 and 20,439,625.30

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Solution

The fourth proportional to 68,958,029.14, 103,452,180.99 and 20,439,625.30 is: 30,663,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,958,029.14 : 103,452,180.99 = 20,439,625.30 : x
  2. Step 2: Convert to fraction form
    68,958,029.14/103,452,180.99 = 20,439,625.30/x
  3. Step 3: Cross multiply
    68,958,029.14x = 103,452,180.99 × 20,439,625.30
  4. Step 4: Simplify right side
    68,958,029.14x = 2,114,523,815,903,383
  5. Step 5: Solve for x
    x = 2,114,523,815,903,383/68,958,029.14
  6. Step 6: Final answer
    x = 30,663,924.74

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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.