Home / 268,902,082.64-371,256,512.25-219,460,573.64

Finding the Fourth Proportional to 268,902,082.64, 371,256,512.25 and 219,460,573.64

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Solution

The fourth proportional to 268,902,082.64, 371,256,512.25 and 219,460,573.64 is: 302,995,671.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,902,082.64 : 371,256,512.25 = 219,460,573.64 : x
  2. Step 2: Convert to fraction form
    268,902,082.64/371,256,512.25 = 219,460,573.64/x
  3. Step 3: Cross multiply
    268,902,082.64x = 371,256,512.25 × 219,460,573.64
  4. Step 4: Simplify right side
    268,902,082.64x = 81,476,167,144,114,400
  5. Step 5: Solve for x
    x = 81,476,167,144,114,400/268,902,082.64
  6. Step 6: Final answer
    x = 302,995,671.68

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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.