Home / 48,839,987.20-73,259,980.80-20,106,743.80

Finding the Fourth Proportional to 48,839,987.20, 73,259,980.80 and 20,106,743.80

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Solution

The fourth proportional to 48,839,987.20, 73,259,980.80 and 20,106,743.80 is: 30,160,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,839,987.20 : 73,259,980.80 = 20,106,743.80 : x
  2. Step 2: Convert to fraction form
    48,839,987.20/73,259,980.80 = 20,106,743.80/x
  3. Step 3: Cross multiply
    48,839,987.20x = 73,259,980.80 × 20,106,743.80
  4. Step 4: Simplify right side
    48,839,987.20x = 1,473,019,664,738,519
  5. Step 5: Solve for x
    x = 1,473,019,664,738,519/48,839,987.20
  6. Step 6: Final answer
    x = 30,160,115.70

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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.