Home / 247,322,732.54-370,996,029.61-81,322,562.18

Finding the Fourth Proportional to 247,322,732.54, 370,996,029.61 and 81,322,562.18

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Solution

The fourth proportional to 247,322,732.54, 370,996,029.61 and 81,322,562.18 is: 121,987,766.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,322,732.54 : 370,996,029.61 = 81,322,562.18 : x
  2. Step 2: Convert to fraction form
    247,322,732.54/370,996,029.61 = 81,322,562.18/x
  3. Step 3: Cross multiply
    247,322,732.54x = 370,996,029.61 × 81,322,562.18
  4. Step 4: Simplify right side
    247,322,732.54x = 30,170,347,687,216,532
  5. Step 5: Solve for x
    x = 30,170,347,687,216,532/247,322,732.54
  6. Step 6: Final answer
    x = 121,987,766.26

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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.