Home / 436,103,992.89-654,282,647.61-140,992,811.76

Finding the Fourth Proportional to 436,103,992.89, 654,282,647.61 and 140,992,811.76

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Solution

The fourth proportional to 436,103,992.89, 654,282,647.61 and 140,992,811.76 is: 211,530,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,103,992.89 : 654,282,647.61 = 140,992,811.76 : x
  2. Step 2: Convert to fraction form
    436,103,992.89/654,282,647.61 = 140,992,811.76/x
  3. Step 3: Cross multiply
    436,103,992.89x = 654,282,647.61 × 140,992,811.76
  4. Step 4: Simplify right side
    436,103,992.89x = 92,249,150,172,311,136
  5. Step 5: Solve for x
    x = 92,249,150,172,311,136/436,103,992.89
  6. Step 6: Final answer
    x = 211,530,166.37

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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.