Home / 79,746,562.37-119,619,843.62-19,162,288.37

Finding the Fourth Proportional to 79,746,562.37, 119,619,843.62 and 19,162,288.37

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Solution

The fourth proportional to 79,746,562.37, 119,619,843.62 and 19,162,288.37 is: 28,743,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746,562.37 : 119,619,843.62 = 19,162,288.37 : x
  2. Step 2: Convert to fraction form
    79,746,562.37/119,619,843.62 = 19,162,288.37/x
  3. Step 3: Cross multiply
    79,746,562.37x = 119,619,843.62 × 19,162,288.37
  4. Step 4: Simplify right side
    79,746,562.37x = 2,292,189,937,526,833.50
  5. Step 5: Solve for x
    x = 2,292,189,937,526,833.50/79,746,562.37
  6. Step 6: Final answer
    x = 28,743,432.56

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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.