Home / 66,142,443.44-99,207,249.95-20,084,711.26

Finding the Fourth Proportional to 66,142,443.44, 99,207,249.95 and 20,084,711.26

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Solution

The fourth proportional to 66,142,443.44, 99,207,249.95 and 20,084,711.26 is: 30,125,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142,443.44 : 99,207,249.95 = 20,084,711.26 : x
  2. Step 2: Convert to fraction form
    66,142,443.44/99,207,249.95 = 20,084,711.26/x
  3. Step 3: Cross multiply
    66,142,443.44x = 99,207,249.95 × 20,084,711.26
  4. Step 4: Simplify right side
    66,142,443.44x = 1,992,548,969,795,957.75
  5. Step 5: Solve for x
    x = 1,992,548,969,795,957.75/66,142,443.44
  6. Step 6: Final answer
    x = 30,125,118.85

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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.