Home / 305,991,294.48-422,255,662.20-166,759,059.60

Finding the Fourth Proportional to 305,991,294.48, 422,255,662.20 and 166,759,059.60

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Solution

The fourth proportional to 305,991,294.48, 422,255,662.20 and 166,759,059.60 is: 230,120,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,991,294.48 : 422,255,662.20 = 166,759,059.60 : x
  2. Step 2: Convert to fraction form
    305,991,294.48/422,255,662.20 = 166,759,059.60/x
  3. Step 3: Cross multiply
    305,991,294.48x = 422,255,662.20 × 166,759,059.60
  4. Step 4: Simplify right side
    305,991,294.48x = 70,414,957,139,247,264
  5. Step 5: Solve for x
    x = 70,414,957,139,247,264/305,991,294.48
  6. Step 6: Final answer
    x = 230,120,785.82

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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.