Home / 75,481,899.75-113,210,237.07-20,900,002.73

Finding the Fourth Proportional to 75,481,899.75, 113,210,237.07 and 20,900,002.73

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Solution

The fourth proportional to 75,481,899.75, 113,210,237.07 and 20,900,002.73 is: 31,346,511.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,481,899.75 : 113,210,237.07 = 20,900,002.73 : x
  2. Step 2: Convert to fraction form
    75,481,899.75/113,210,237.07 = 20,900,002.73/x
  3. Step 3: Cross multiply
    75,481,899.75x = 113,210,237.07 × 20,900,002.73
  4. Step 4: Simplify right side
    75,481,899.75x = 2,366,094,263,260,896
  5. Step 5: Solve for x
    x = 2,366,094,263,260,896/75,481,899.75
  6. Step 6: Final answer
    x = 31,346,511.83

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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.