Home / 268,931,146.60-371,121,209.83-149,858,757.48

Finding the Fourth Proportional to 268,931,146.60, 371,121,209.83 and 149,858,757.48

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Solution

The fourth proportional to 268,931,146.60, 371,121,209.83 and 149,858,757.48 is: 206,802,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,931,146.60 : 371,121,209.83 = 149,858,757.48 : x
  2. Step 2: Convert to fraction form
    268,931,146.60/371,121,209.83 = 149,858,757.48/x
  3. Step 3: Cross multiply
    268,931,146.60x = 371,121,209.83 × 149,858,757.48
  4. Step 4: Simplify right side
    268,931,146.60x = 55,615,763,380,787,512
  5. Step 5: Solve for x
    x = 55,615,763,380,787,512/268,931,146.60
  6. Step 6: Final answer
    x = 206,802,983.16

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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.