Home / 72,869,992.39-109,324,132.19-26,188,191.37

Finding the Fourth Proportional to 72,869,992.39, 109,324,132.19 and 26,188,191.37

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Solution

The fourth proportional to 72,869,992.39, 109,324,132.19 and 26,188,191.37 is: 39,289,166.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,869,992.39 : 109,324,132.19 = 26,188,191.37 : x
  2. Step 2: Convert to fraction form
    72,869,992.39/109,324,132.19 = 26,188,191.37/x
  3. Step 3: Cross multiply
    72,869,992.39x = 109,324,132.19 × 26,188,191.37
  4. Step 4: Simplify right side
    72,869,992.39x = 2,863,001,294,941,127.50
  5. Step 5: Solve for x
    x = 2,863,001,294,941,127.50/72,869,992.39
  6. Step 6: Final answer
    x = 39,289,166.93

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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.