Home / 72,407,863.20-108,611,794.80-41,796,861.60

Finding the Fourth Proportional to 72,407,863.20, 108,611,794.80 and 41,796,861.60

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Solution

The fourth proportional to 72,407,863.20, 108,611,794.80 and 41,796,861.60 is: 62,695,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,407,863.20 : 108,611,794.80 = 41,796,861.60 : x
  2. Step 2: Convert to fraction form
    72,407,863.20/108,611,794.80 = 41,796,861.60/x
  3. Step 3: Cross multiply
    72,407,863.20x = 108,611,794.80 × 41,796,861.60
  4. Step 4: Simplify right side
    72,407,863.20x = 4,539,632,155,383,200
  5. Step 5: Solve for x
    x = 4,539,632,155,383,200/72,407,863.20
  6. Step 6: Final answer
    x = 62,695,292.40

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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.