Home / 49,171,975.20-73,757,962.80-20,801,440.80

Finding the Fourth Proportional to 49,171,975.20, 73,757,962.80 and 20,801,440.80

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Solution

The fourth proportional to 49,171,975.20, 73,757,962.80 and 20,801,440.80 is: 31,202,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,171,975.20 : 73,757,962.80 = 20,801,440.80 : x
  2. Step 2: Convert to fraction form
    49,171,975.20/73,757,962.80 = 20,801,440.80/x
  3. Step 3: Cross multiply
    49,171,975.20x = 73,757,962.80 × 20,801,440.80
  4. Step 4: Simplify right side
    49,171,975.20x = 1,534,271,896,712,802.25
  5. Step 5: Solve for x
    x = 1,534,271,896,712,802.25/49,171,975.20
  6. Step 6: Final answer
    x = 31,202,161.20

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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.