Home / 42,170,930.40-63,256,395.60-25,150,821.60

Finding the Fourth Proportional to 42,170,930.40, 63,256,395.60 and 25,150,821.60

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Solution

The fourth proportional to 42,170,930.40, 63,256,395.60 and 25,150,821.60 is: 37,726,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170,930.40 : 63,256,395.60 = 25,150,821.60 : x
  2. Step 2: Convert to fraction form
    42,170,930.40/63,256,395.60 = 25,150,821.60/x
  3. Step 3: Cross multiply
    42,170,930.40x = 63,256,395.60 × 25,150,821.60
  4. Step 4: Simplify right side
    42,170,930.40x = 1,590,950,320,794,625
  5. Step 5: Solve for x
    x = 1,590,950,320,794,625/42,170,930.40
  6. Step 6: Final answer
    x = 37,726,232.40

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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.