Home / 57,034,419.77-78,707,540.77-30,928,930.99

Finding the Fourth Proportional to 57,034,419.77, 78,707,540.77 and 30,928,930.99

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Solution

The fourth proportional to 57,034,419.77, 78,707,540.77 and 30,928,930.99 is: 42,681,947.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,034,419.77 : 78,707,540.77 = 30,928,930.99 : x
  2. Step 2: Convert to fraction form
    57,034,419.77/78,707,540.77 = 30,928,930.99/x
  3. Step 3: Cross multiply
    57,034,419.77x = 78,707,540.77 × 30,928,930.99
  4. Step 4: Simplify right side
    57,034,419.77x = 2,434,340,096,593,850.50
  5. Step 5: Solve for x
    x = 2,434,340,096,593,850.50/57,034,419.77
  6. Step 6: Final answer
    x = 42,681,947.26

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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.