Home / 66,978,091.20-100,467,136.80-16,548,139.20

Finding the Fourth Proportional to 66,978,091.20, 100,467,136.80 and 16,548,139.20

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Solution

The fourth proportional to 66,978,091.20, 100,467,136.80 and 16,548,139.20 is: 24,822,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,978,091.20 : 100,467,136.80 = 16,548,139.20 : x
  2. Step 2: Convert to fraction form
    66,978,091.20/100,467,136.80 = 16,548,139.20/x
  3. Step 3: Cross multiply
    66,978,091.20x = 100,467,136.80 × 16,548,139.20
  4. Step 4: Simplify right side
    66,978,091.20x = 1,662,544,164,791,842.50
  5. Step 5: Solve for x
    x = 1,662,544,164,791,842.50/66,978,091.20
  6. Step 6: Final answer
    x = 24,822,208.80

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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.