Home / 57,091,150.26-78,785,865.36-30,985,668.48

Finding the Fourth Proportional to 57,091,150.26, 78,785,865.36 and 30,985,668.48

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Solution

The fourth proportional to 57,091,150.26, 78,785,865.36 and 30,985,668.48 is: 42,760,264.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091,150.26 : 78,785,865.36 = 30,985,668.48 : x
  2. Step 2: Convert to fraction form
    57,091,150.26/78,785,865.36 = 30,985,668.48/x
  3. Step 3: Cross multiply
    57,091,150.26x = 78,785,865.36 × 30,985,668.48
  4. Step 4: Simplify right side
    57,091,150.26x = 2,441,232,704,954,876
  5. Step 5: Solve for x
    x = 2,441,232,704,954,876/57,091,150.26
  6. Step 6: Final answer
    x = 42,760,264.84

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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.