Home / 54,199,383.12-81,299,190.24-38,097,385.56

Finding the Fourth Proportional to 54,199,383.12, 81,299,190.24 and 38,097,385.56

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Solution

The fourth proportional to 54,199,383.12, 81,299,190.24 and 38,097,385.56 is: 57,146,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,199,383.12 : 81,299,190.24 = 38,097,385.56 : x
  2. Step 2: Convert to fraction form
    54,199,383.12/81,299,190.24 = 38,097,385.56/x
  3. Step 3: Cross multiply
    54,199,383.12x = 81,299,190.24 × 38,097,385.56
  4. Step 4: Simplify right side
    54,199,383.12x = 3,097,286,596,289,069
  5. Step 5: Solve for x
    x = 3,097,286,596,289,069/54,199,383.12
  6. Step 6: Final answer
    x = 57,146,159.57

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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.