Home / 73,321,660.80-109,982,474.64-18,734,348.40

Finding the Fourth Proportional to 73,321,660.80, 109,982,474.64 and 18,734,348.40

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Solution

The fourth proportional to 73,321,660.80, 109,982,474.64 and 18,734,348.40 is: 28,101,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,321,660.80 : 109,982,474.64 = 18,734,348.40 : x
  2. Step 2: Convert to fraction form
    73,321,660.80/109,982,474.64 = 18,734,348.40/x
  3. Step 3: Cross multiply
    73,321,660.80x = 109,982,474.64 × 18,734,348.40
  4. Step 4: Simplify right side
    73,321,660.80x = 2,060,449,997,799,924.50
  5. Step 5: Solve for x
    x = 2,060,449,997,799,924.50/73,321,660.80
  6. Step 6: Final answer
    x = 28,101,518.37

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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.