Home / 133,451,109.11-200,206,848.38-72,038,949.75

Finding the Fourth Proportional to 133,451,109.11, 200,206,848.38 and 72,038,949.75

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Solution

The fourth proportional to 133,451,109.11, 200,206,848.38 and 72,038,949.75 is: 108,074,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,451,109.11 : 200,206,848.38 = 72,038,949.75 : x
  2. Step 2: Convert to fraction form
    133,451,109.11/200,206,848.38 = 72,038,949.75/x
  3. Step 3: Cross multiply
    133,451,109.11x = 200,206,848.38 × 72,038,949.75
  4. Step 4: Simplify right side
    133,451,109.11x = 14,422,691,089,692,494
  5. Step 5: Solve for x
    x = 14,422,691,089,692,494/133,451,109.11
  6. Step 6: Final answer
    x = 108,074,718.79

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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.