Home / 74,076,645.12-111,025,388.16-38,155,257.60

Finding the Fourth Proportional to 74,076,645.12, 111,025,388.16 and 38,155,257.60

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Solution

The fourth proportional to 74,076,645.12, 111,025,388.16 and 38,155,257.60 is: 57,186,745.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,076,645.12 : 111,025,388.16 = 38,155,257.60 : x
  2. Step 2: Convert to fraction form
    74,076,645.12/111,025,388.16 = 38,155,257.60/x
  3. Step 3: Cross multiply
    74,076,645.12x = 111,025,388.16 × 38,155,257.60
  4. Step 4: Simplify right side
    74,076,645.12x = 4,236,202,285,384,790
  5. Step 5: Solve for x
    x = 4,236,202,285,384,790/74,076,645.12
  6. Step 6: Final answer
    x = 57,186,745.95

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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.