Home / 72,416,501.40-108,530,273.70-33,550,449.60

Finding the Fourth Proportional to 72,416,501.40, 108,530,273.70 and 33,550,449.60

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Solution

The fourth proportional to 72,416,501.40, 108,530,273.70 and 33,550,449.60 is: 50,281,902.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,416,501.40 : 108,530,273.70 = 33,550,449.60 : x
  2. Step 2: Convert to fraction form
    72,416,501.40/108,530,273.70 = 33,550,449.60/x
  3. Step 3: Cross multiply
    72,416,501.40x = 108,530,273.70 × 33,550,449.60
  4. Step 4: Simplify right side
    72,416,501.40x = 3,641,239,477,846,056
  5. Step 5: Solve for x
    x = 3,641,239,477,846,056/72,416,501.40
  6. Step 6: Final answer
    x = 50,281,902.71

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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.