Home / 57,093,704.51-78,789,370.52-30,988,227.71

Finding the Fourth Proportional to 57,093,704.51, 78,789,370.52 and 30,988,227.71

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Solution

The fourth proportional to 57,093,704.51, 78,789,370.52 and 30,988,227.71 is: 42,763,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093,704.51 : 78,789,370.52 = 30,988,227.71 : x
  2. Step 2: Convert to fraction form
    57,093,704.51/78,789,370.52 = 30,988,227.71/x
  3. Step 3: Cross multiply
    57,093,704.51x = 78,789,370.52 × 30,988,227.71
  4. Step 4: Simplify right side
    57,093,704.51x = 2,441,542,955,075,765
  5. Step 5: Solve for x
    x = 2,441,542,955,075,765/57,093,704.51
  6. Step 6: Final answer
    x = 42,763,785.89

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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.