Home / 57,033,872.97-78,706,765.61-30,928,383.89

Finding the Fourth Proportional to 57,033,872.97, 78,706,765.61 and 30,928,383.89

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Solution

The fourth proportional to 57,033,872.97, 78,706,765.61 and 30,928,383.89 is: 42,681,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033,872.97 : 78,706,765.61 = 30,928,383.89 : x
  2. Step 2: Convert to fraction form
    57,033,872.97/78,706,765.61 = 30,928,383.89/x
  3. Step 3: Cross multiply
    57,033,872.97x = 78,706,765.61 × 30,928,383.89
  4. Step 4: Simplify right side
    57,033,872.97x = 2,434,273,060,978,154.50
  5. Step 5: Solve for x
    x = 2,434,273,060,978,154.50/57,033,872.97
  6. Step 6: Final answer
    x = 42,681,181.10

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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.