Home / 80,621,567,999.20-120,932,351,998.80-49,275,902,360.80

Finding the Fourth Proportional to 80,621,567,999.20, 120,932,351,998.80 and 49,275,902,360.80

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Solution

The fourth proportional to 80,621,567,999.20, 120,932,351,998.80 and 49,275,902,360.80 is: 73,913,853,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,621,567,999.20 : 120,932,351,998.80 = 49,275,902,360.80 : x
  2. Step 2: Convert to fraction form
    80,621,567,999.20/120,932,351,998.80 = 49,275,902,360.80/x
  3. Step 3: Cross multiply
    80,621,567,999.20x = 120,932,351,998.80 × 49,275,902,360.80
  4. Step 4: Simplify right side
    80,621,567,999.20x = 5,959,050,769,354,766,417,920
  5. Step 5: Solve for x
    x = 5,959,050,769,354,766,417,920/80,621,567,999.20
  6. Step 6: Final answer
    x = 73,913,853,541.20

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1.5x scale

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.