Home / 72,215,869.68-108,350,771.45-29,097,305.73

Finding the Fourth Proportional to 72,215,869.68, 108,350,771.45 and 29,097,305.73

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Solution

The fourth proportional to 72,215,869.68, 108,350,771.45 and 29,097,305.73 is: 43,656,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,215,869.68 : 108,350,771.45 = 29,097,305.73 : x
  2. Step 2: Convert to fraction form
    72,215,869.68/108,350,771.45 = 29,097,305.73/x
  3. Step 3: Cross multiply
    72,215,869.68x = 108,350,771.45 × 29,097,305.73
  4. Step 4: Simplify right side
    72,215,869.68x = 3,152,715,522,816,518.50
  5. Step 5: Solve for x
    x = 3,152,715,522,816,518.50/72,215,869.68
  6. Step 6: Final answer
    x = 43,656,824.14

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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.