Home / 204,903,961.13-307,377,474.54-66,740,334.55

Finding the Fourth Proportional to 204,903,961.13, 307,377,474.54 and 66,740,334.55

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Solution

The fourth proportional to 204,903,961.13, 307,377,474.54 and 66,740,334.55 is: 100,117,515.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,903,961.13 : 307,377,474.54 = 66,740,334.55 : x
  2. Step 2: Convert to fraction form
    204,903,961.13/307,377,474.54 = 66,740,334.55/x
  3. Step 3: Cross multiply
    204,903,961.13x = 307,377,474.54 × 66,740,334.55
  4. Step 4: Simplify right side
    204,903,961.13x = 20,514,475,482,915,656
  5. Step 5: Solve for x
    x = 20,514,475,482,915,656/204,903,961.13
  6. Step 6: Final answer
    x = 100,117,515.39

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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.