Home / 150,347,321.40-225,520,982.10-73,819,817.40

Finding the Fourth Proportional to 150,347,321.40, 225,520,982.10 and 73,819,817.40

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Solution

The fourth proportional to 150,347,321.40, 225,520,982.10 and 73,819,817.40 is: 110,729,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,347,321.40 : 225,520,982.10 = 73,819,817.40 : x
  2. Step 2: Convert to fraction form
    150,347,321.40/225,520,982.10 = 73,819,817.40/x
  3. Step 3: Cross multiply
    150,347,321.40x = 225,520,982.10 × 73,819,817.40
  4. Step 4: Simplify right side
    150,347,321.40x = 16,647,917,718,490,670
  5. Step 5: Solve for x
    x = 16,647,917,718,490,670/150,347,321.40
  6. Step 6: Final answer
    x = 110,729,726.10

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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.