Home / 55,731,359.97-76,909,456.47-30,951,546.81

Finding the Fourth Proportional to 55,731,359.97, 76,909,456.47 and 30,951,546.81

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Solution

The fourth proportional to 55,731,359.97, 76,909,456.47 and 30,951,546.81 is: 42,713,234.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,731,359.97 : 76,909,456.47 = 30,951,546.81 : x
  2. Step 2: Convert to fraction form
    55,731,359.97/76,909,456.47 = 30,951,546.81/x
  3. Step 3: Cross multiply
    55,731,359.97x = 76,909,456.47 × 30,951,546.81
  4. Step 4: Simplify right side
    55,731,359.97x = 2,380,466,642,100,378.50
  5. Step 5: Solve for x
    x = 2,380,466,642,100,378.50/55,731,359.97
  6. Step 6: Final answer
    x = 42,713,234.41

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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.