Home / 72,416,408.40-108,530,134.20-33,550,356.60

Finding the Fourth Proportional to 72,416,408.40, 108,530,134.20 and 33,550,356.60

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Solution

The fourth proportional to 72,416,408.40, 108,530,134.20 and 33,550,356.60 is: 50,281,763.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,416,408.40 : 108,530,134.20 = 33,550,356.60 : x
  2. Step 2: Convert to fraction form
    72,416,408.40/108,530,134.20 = 33,550,356.60/x
  3. Step 3: Cross multiply
    72,416,408.40x = 108,530,134.20 × 33,550,356.60
  4. Step 4: Simplify right side
    72,416,408.40x = 3,641,224,704,255,856
  5. Step 5: Solve for x
    x = 3,641,224,704,255,856/72,416,408.40
  6. Step 6: Final answer
    x = 50,281,763.27

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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.