Home / 220,943,248.92-305,032,318.20-196,429,122

Finding the Fourth Proportional to 220,943,248.92, 305,032,318.20 and 196,429,122

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Solution

The fourth proportional to 220,943,248.92, 305,032,318.20 and 196,429,122 is: 271,188,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,943,248.92 : 305,032,318.20 = 196,429,122 : x
  2. Step 2: Convert to fraction form
    220,943,248.92/305,032,318.20 = 196,429,122/x
  3. Step 3: Cross multiply
    220,943,248.92x = 305,032,318.20 × 196,429,122
  4. Step 4: Simplify right side
    220,943,248.92x = 59,917,230,445,650,616
  5. Step 5: Solve for x
    x = 59,917,230,445,650,616/220,943,248.92
  6. Step 6: Final answer
    x = 271,188,328.85

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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.