Home / 305,991,299.73-422,255,669.45-166,759,064.85

Finding the Fourth Proportional to 305,991,299.73, 422,255,669.45 and 166,759,064.85

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Solution

The fourth proportional to 305,991,299.73, 422,255,669.45 and 166,759,064.85 is: 230,120,793.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,991,299.73 : 422,255,669.45 = 166,759,064.85 : x
  2. Step 2: Convert to fraction form
    305,991,299.73/422,255,669.45 = 166,759,064.85/x
  3. Step 3: Cross multiply
    305,991,299.73x = 422,255,669.45 × 166,759,064.85
  4. Step 4: Simplify right side
    305,991,299.73x = 70,414,960,564,258,912
  5. Step 5: Solve for x
    x = 70,414,960,564,258,912/305,991,299.73
  6. Step 6: Final answer
    x = 230,120,793.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.