Home / 68,723,580-103,085,992.08-20,854,524

Finding the Fourth Proportional to 68,723,580, 103,085,992.08 and 20,854,524

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Solution

The fourth proportional to 68,723,580, 103,085,992.08 and 20,854,524 is: 31,281,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,723,580 : 103,085,992.08 = 20,854,524 : x
  2. Step 2: Convert to fraction form
    68,723,580/103,085,992.08 = 20,854,524/x
  3. Step 3: Cross multiply
    68,723,580x = 103,085,992.08 × 20,854,524
  4. Step 4: Simplify right side
    68,723,580x = 2,149,809,295,896,170
  5. Step 5: Solve for x
    x = 2,149,809,295,896,170/68,723,580
  6. Step 6: Final answer
    x = 31,281,974.77

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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.