Home / 118,950,441.85-178,425,417.34-67,111,512.19

Finding the Fourth Proportional to 118,950,441.85, 178,425,417.34 and 67,111,512.19

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Solution

The fourth proportional to 118,950,441.85, 178,425,417.34 and 67,111,512.19 is: 100,667,129.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,950,441.85 : 178,425,417.34 = 67,111,512.19 : x
  2. Step 2: Convert to fraction form
    118,950,441.85/178,425,417.34 = 67,111,512.19/x
  3. Step 3: Cross multiply
    118,950,441.85x = 178,425,417.34 × 67,111,512.19
  4. Step 4: Simplify right side
    118,950,441.85x = 11,974,399,570,551,702
  5. Step 5: Solve for x
    x = 11,974,399,570,551,702/118,950,441.85
  6. Step 6: Final answer
    x = 100,667,129.80

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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.