Home / 79,485,795.99-119,107,002.24-53,481,778.90

Finding the Fourth Proportional to 79,485,795.99, 119,107,002.24 and 53,481,778.90

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Solution

The fourth proportional to 79,485,795.99, 119,107,002.24 and 53,481,778.90 is: 80,140,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,485,795.99 : 119,107,002.24 = 53,481,778.90 : x
  2. Step 2: Convert to fraction form
    79,485,795.99/119,107,002.24 = 53,481,778.90/x
  3. Step 3: Cross multiply
    79,485,795.99x = 119,107,002.24 × 53,481,778.90
  4. Step 4: Simplify right side
    79,485,795.99x = 6,370,054,358,943,717
  5. Step 5: Solve for x
    x = 6,370,054,358,943,717/79,485,795.99
  6. Step 6: Final answer
    x = 80,140,788.42

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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.