Home / 221,242,552.50-305,314,676.31-122,123,274.03

Finding the Fourth Proportional to 221,242,552.50, 305,314,676.31 and 122,123,274.03

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Solution

The fourth proportional to 221,242,552.50, 305,314,676.31 and 122,123,274.03 is: 168,530,092.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,242,552.50 : 305,314,676.31 = 122,123,274.03 : x
  2. Step 2: Convert to fraction form
    221,242,552.50/305,314,676.31 = 122,123,274.03/x
  3. Step 3: Cross multiply
    221,242,552.50x = 305,314,676.31 × 122,123,274.03
  4. Step 4: Simplify right side
    221,242,552.50x = 37,286,027,880,386,880
  5. Step 5: Solve for x
    x = 37,286,027,880,386,880/221,242,552.50
  6. Step 6: Final answer
    x = 168,530,092.69

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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.