Home / 113,103,405.30-169,655,107.96-55,707,777.30

Finding the Fourth Proportional to 113,103,405.30, 169,655,107.96 and 55,707,777.30

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Solution

The fourth proportional to 113,103,405.30, 169,655,107.96 and 55,707,777.30 is: 83,561,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,103,405.30 : 169,655,107.96 = 55,707,777.30 : x
  2. Step 2: Convert to fraction form
    113,103,405.30/169,655,107.96 = 55,707,777.30/x
  3. Step 3: Cross multiply
    113,103,405.30x = 169,655,107.96 × 55,707,777.30
  4. Step 4: Simplify right side
    113,103,405.30x = 9,451,108,972,043,138
  5. Step 5: Solve for x
    x = 9,451,108,972,043,138/113,103,405.30
  6. Step 6: Final answer
    x = 83,561,665.95

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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.