Home / 74,449,321.80-102,738,590.82-41,408,860.20

Finding the Fourth Proportional to 74,449,321.80, 102,738,590.82 and 41,408,860.20

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Solution

The fourth proportional to 74,449,321.80, 102,738,590.82 and 41,408,860.20 is: 57,143,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,449,321.80 : 102,738,590.82 = 41,408,860.20 : x
  2. Step 2: Convert to fraction form
    74,449,321.80/102,738,590.82 = 41,408,860.20/x
  3. Step 3: Cross multiply
    74,449,321.80x = 102,738,590.82 × 41,408,860.20
  4. Step 4: Simplify right side
    74,449,321.80x = 4,254,287,944,410,383.50
  5. Step 5: Solve for x
    x = 4,254,287,944,410,383.50/74,449,321.80
  6. Step 6: Final answer
    x = 57,143,407.64

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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.