Home / 113,944,227.30-157,086,860.40-72,107,481.06

Finding the Fourth Proportional to 113,944,227.30, 157,086,860.40 and 72,107,481.06

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Solution

The fourth proportional to 113,944,227.30, 157,086,860.40 and 72,107,481.06 is: 99,409,492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,944,227.30 : 157,086,860.40 = 72,107,481.06 : x
  2. Step 2: Convert to fraction form
    113,944,227.30/157,086,860.40 = 72,107,481.06/x
  3. Step 3: Cross multiply
    113,944,227.30x = 157,086,860.40 × 72,107,481.06
  4. Step 4: Simplify right side
    113,944,227.30x = 11,327,137,811,067,864
  5. Step 5: Solve for x
    x = 11,327,137,811,067,864/113,944,227.30
  6. Step 6: Final answer
    x = 99,409,492.52

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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.