Home / 173,317,745.89-259,976,603.05-76,273,453.45

Finding the Fourth Proportional to 173,317,745.89, 259,976,603.05 and 76,273,453.45

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Solution

The fourth proportional to 173,317,745.89, 259,976,603.05 and 76,273,453.45 is: 114,410,173.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,317,745.89 : 259,976,603.05 = 76,273,453.45 : x
  2. Step 2: Convert to fraction form
    173,317,745.89/259,976,603.05 = 76,273,453.45/x
  3. Step 3: Cross multiply
    173,317,745.89x = 259,976,603.05 × 76,273,453.45
  4. Step 4: Simplify right side
    173,317,745.89x = 19,829,313,330,441,936
  5. Step 5: Solve for x
    x = 19,829,313,330,441,936/173,317,745.89
  6. Step 6: Final answer
    x = 114,410,173.23

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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.