Home / 261,322,625.97-391,983,938.82-97,573,170.51

Finding the Fourth Proportional to 261,322,625.97, 391,983,938.82 and 97,573,170.51

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Solution

The fourth proportional to 261,322,625.97, 391,983,938.82 and 97,573,170.51 is: 146,359,755.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,322,625.97 : 391,983,938.82 = 97,573,170.51 : x
  2. Step 2: Convert to fraction form
    261,322,625.97/391,983,938.82 = 97,573,170.51/x
  3. Step 3: Cross multiply
    261,322,625.97x = 391,983,938.82 × 97,573,170.51
  4. Step 4: Simplify right side
    261,322,625.97x = 38,247,115,699,665,272
  5. Step 5: Solve for x
    x = 38,247,115,699,665,272/261,322,625.97
  6. Step 6: Final answer
    x = 146,359,755.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.