Home / 298,370,240.97-411,763,630.86-166,211,077.56

Finding the Fourth Proportional to 298,370,240.97, 411,763,630.86 and 166,211,077.56

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Solution

The fourth proportional to 298,370,240.97, 411,763,630.86 and 166,211,077.56 is: 229,378,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,370,240.97 : 411,763,630.86 = 166,211,077.56 : x
  2. Step 2: Convert to fraction form
    298,370,240.97/411,763,630.86 = 166,211,077.56/x
  3. Step 3: Cross multiply
    298,370,240.97x = 411,763,630.86 × 166,211,077.56
  4. Step 4: Simplify right side
    298,370,240.97x = 68,439,676,785,258,672
  5. Step 5: Solve for x
    x = 68,439,676,785,258,672/298,370,240.97
  6. Step 6: Final answer
    x = 229,378,360.80

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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.