Home / 49,824,512.60-74,736,768.90-43,008,781.78

Finding the Fourth Proportional to 49,824,512.60, 74,736,768.90 and 43,008,781.78

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Solution

The fourth proportional to 49,824,512.60, 74,736,768.90 and 43,008,781.78 is: 64,513,172.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,824,512.60 : 74,736,768.90 = 43,008,781.78 : x
  2. Step 2: Convert to fraction form
    49,824,512.60/74,736,768.90 = 43,008,781.78/x
  3. Step 3: Cross multiply
    49,824,512.60x = 74,736,768.90 × 43,008,781.78
  4. Step 4: Simplify right side
    49,824,512.60x = 3,214,337,384,188,707
  5. Step 5: Solve for x
    x = 3,214,337,384,188,707/49,824,512.60
  6. Step 6: Final answer
    x = 64,513,172.66

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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.