Home / 73,993,231.20-110,989,846.80-72,717,772.80

Finding the Fourth Proportional to 73,993,231.20, 110,989,846.80 and 72,717,772.80

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Solution

The fourth proportional to 73,993,231.20, 110,989,846.80 and 72,717,772.80 is: 109,076,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,993,231.20 : 110,989,846.80 = 72,717,772.80 : x
  2. Step 2: Convert to fraction form
    73,993,231.20/110,989,846.80 = 72,717,772.80/x
  3. Step 3: Cross multiply
    73,993,231.20x = 110,989,846.80 × 72,717,772.80
  4. Step 4: Simplify right side
    73,993,231.20x = 8,070,934,462,709,206
  5. Step 5: Solve for x
    x = 8,070,934,462,709,206/73,993,231.20
  6. Step 6: Final answer
    x = 109,076,659.20

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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.