Home / 262,300,939.20-393,451,408.80-125,953,444.80

Finding the Fourth Proportional to 262,300,939.20, 393,451,408.80 and 125,953,444.80

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Solution

The fourth proportional to 262,300,939.20, 393,451,408.80 and 125,953,444.80 is: 188,930,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,300,939.20 : 393,451,408.80 = 125,953,444.80 : x
  2. Step 2: Convert to fraction form
    262,300,939.20/393,451,408.80 = 125,953,444.80/x
  3. Step 3: Cross multiply
    262,300,939.20x = 393,451,408.80 × 125,953,444.80
  4. Step 4: Simplify right side
    262,300,939.20x = 49,556,560,299,773,032
  5. Step 5: Solve for x
    x = 49,556,560,299,773,032/262,300,939.20
  6. Step 6: Final answer
    x = 188,930,167.20

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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.