Home / 268,937,938.82-371,305,714.84-219,496,248.04

Finding the Fourth Proportional to 268,937,938.82, 371,305,714.84 and 219,496,248.04

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Solution

The fourth proportional to 268,937,938.82, 371,305,714.84 and 219,496,248.04 is: 303,044,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,937,938.82 : 371,305,714.84 = 219,496,248.04 : x
  2. Step 2: Convert to fraction form
    268,937,938.82/371,305,714.84 = 219,496,248.04/x
  3. Step 3: Cross multiply
    268,937,938.82x = 371,305,714.84 × 219,496,248.04
  4. Step 4: Simplify right side
    268,937,938.82x = 81,500,211,283,190,144
  5. Step 5: Solve for x
    x = 81,500,211,283,190,144/268,937,938.82
  6. Step 6: Final answer
    x = 303,044,678.79

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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.