Home / 55,747,835.64-76,944,309.20-30,976,534.08

Finding the Fourth Proportional to 55,747,835.64, 76,944,309.20 and 30,976,534.08

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Solution

The fourth proportional to 55,747,835.64, 76,944,309.20 and 30,976,534.08 is: 42,754,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,747,835.64 : 76,944,309.20 = 30,976,534.08 : x
  2. Step 2: Convert to fraction form
    55,747,835.64/76,944,309.20 = 30,976,534.08/x
  3. Step 3: Cross multiply
    55,747,835.64x = 76,944,309.20 × 30,976,534.08
  4. Step 4: Simplify right side
    55,747,835.64x = 2,383,468,016,195,857.50
  5. Step 5: Solve for x
    x = 2,383,468,016,195,857.50/55,747,835.64
  6. Step 6: Final answer
    x = 42,754,449.37

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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.