Home / 57,047,988.10-85,550,534.97-20,647,385.14

Finding the Fourth Proportional to 57,047,988.10, 85,550,534.97 and 20,647,385.14

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Solution

The fourth proportional to 57,047,988.10, 85,550,534.97 and 20,647,385.14 is: 30,963,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,047,988.10 : 85,550,534.97 = 20,647,385.14 : x
  2. Step 2: Convert to fraction form
    57,047,988.10/85,550,534.97 = 20,647,385.14/x
  3. Step 3: Cross multiply
    57,047,988.10x = 85,550,534.97 × 20,647,385.14
  4. Step 4: Simplify right side
    57,047,988.10x = 1,766,394,844,458,628.25
  5. Step 5: Solve for x
    x = 1,766,394,844,458,628.25/57,047,988.10
  6. Step 6: Final answer
    x = 30,963,315.33

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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.