Home / 206,969,020.56-310,453,531.02-84,118,555.44

Finding the Fourth Proportional to 206,969,020.56, 310,453,531.02 and 84,118,555.44

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Solution

The fourth proportional to 206,969,020.56, 310,453,531.02 and 84,118,555.44 is: 126,177,833.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,969,020.56 : 310,453,531.02 = 84,118,555.44 : x
  2. Step 2: Convert to fraction form
    206,969,020.56/310,453,531.02 = 84,118,555.44/x
  3. Step 3: Cross multiply
    206,969,020.56x = 310,453,531.02 × 84,118,555.44
  4. Step 4: Simplify right side
    206,969,020.56x = 26,114,902,560,649,628
  5. Step 5: Solve for x
    x = 26,114,902,560,649,628/206,969,020.56
  6. Step 6: Final answer
    x = 126,177,833.23

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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.