Home / 72,261,982.76-108,375,618.63-33,363,060.61

Finding the Fourth Proportional to 72,261,982.76, 108,375,618.63 and 33,363,060.61

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Solution

The fourth proportional to 72,261,982.76, 108,375,618.63 and 33,363,060.61 is: 50,036,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,261,982.76 : 108,375,618.63 = 33,363,060.61 : x
  2. Step 2: Convert to fraction form
    72,261,982.76/108,375,618.63 = 33,363,060.61/x
  3. Step 3: Cross multiply
    72,261,982.76x = 108,375,618.63 × 33,363,060.61
  4. Step 4: Simplify right side
    72,261,982.76x = 3,615,742,332,998,935
  5. Step 5: Solve for x
    x = 3,615,742,332,998,935/72,261,982.76
  6. Step 6: Final answer
    x = 50,036,577.95

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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.