Home / 72,343,464.80-108,513,447.60-43,567,793.60

Finding the Fourth Proportional to 72,343,464.80, 108,513,447.60 and 43,567,793.60

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Solution

The fourth proportional to 72,343,464.80, 108,513,447.60 and 43,567,793.60 is: 65,350,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,343,464.80 : 108,513,447.60 = 43,567,793.60 : x
  2. Step 2: Convert to fraction form
    72,343,464.80/108,513,447.60 = 43,567,793.60/x
  3. Step 3: Cross multiply
    72,343,464.80x = 108,513,447.60 × 43,567,793.60
  4. Step 4: Simplify right side
    72,343,464.80x = 4,727,691,487,861,215
  5. Step 5: Solve for x
    x = 4,727,691,487,861,215/72,343,464.80
  6. Step 6: Final answer
    x = 65,350,636.73

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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.