Home / 83,336,879.28-115,044,768.60-55,505,905.20

Finding the Fourth Proportional to 83,336,879.28, 115,044,768.60 and 55,505,905.20

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Solution

The fourth proportional to 83,336,879.28, 115,044,768.60 and 55,505,905.20 is: 76,624,707.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,336,879.28 : 115,044,768.60 = 55,505,905.20 : x
  2. Step 2: Convert to fraction form
    83,336,879.28/115,044,768.60 = 55,505,905.20/x
  3. Step 3: Cross multiply
    83,336,879.28x = 115,044,768.60 × 55,505,905.20
  4. Step 4: Simplify right side
    83,336,879.28x = 6,385,664,019,667,537
  5. Step 5: Solve for x
    x = 6,385,664,019,667,537/83,336,879.28
  6. Step 6: Final answer
    x = 76,624,707.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.