Home / 101,984,190,004.80-152,976,285,007.20-80,678,932,891.20

Finding the Fourth Proportional to 101,984,190,004.80, 152,976,285,007.20 and 80,678,932,891.20

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Solution

The fourth proportional to 101,984,190,004.80, 152,976,285,007.20 and 80,678,932,891.20 is: 121,018,399,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,984,190,004.80 : 152,976,285,007.20 = 80,678,932,891.20 : x
  2. Step 2: Convert to fraction form
    101,984,190,004.80/152,976,285,007.20 = 80,678,932,891.20/x
  3. Step 3: Cross multiply
    101,984,190,004.80x = 152,976,285,007.20 × 80,678,932,891.20
  4. Step 4: Simplify right side
    101,984,190,004.80x = 12,341,963,432,040,975,040,512
  5. Step 5: Solve for x
    x = 12,341,963,432,040,975,040,512/101,984,190,004.80
  6. Step 6: Final answer
    x = 121,018,399,336.80

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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.