Home / 301,294,112.85-451,253,091.41-143,837,885.25

Finding the Fourth Proportional to 301,294,112.85, 451,253,091.41 and 143,837,885.25

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Solution

The fourth proportional to 301,294,112.85, 451,253,091.41 and 143,837,885.25 is: 215,428,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,294,112.85 : 451,253,091.41 = 143,837,885.25 : x
  2. Step 2: Convert to fraction form
    301,294,112.85/451,253,091.41 = 143,837,885.25/x
  3. Step 3: Cross multiply
    301,294,112.85x = 451,253,091.41 × 143,837,885.25
  4. Step 4: Simplify right side
    301,294,112.85x = 64,907,290,380,220,144
  5. Step 5: Solve for x
    x = 64,907,290,380,220,144/301,294,112.85
  6. Step 6: Final answer
    x = 215,428,339.33

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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.