Finding the Fourth Proportional to 170,825,122.20, 256,237,683.30 and 106,327,867.80
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Solution
The fourth proportional to 170,825,122.20, 256,237,683.30 and 106,327,867.80 is: 159,491,801.70
Step by Step Solution
- Step 1: Write the proportion equation
170,825,122.20 : 256,237,683.30 = 106,327,867.80 : x - Step 2: Convert to fraction form
170,825,122.20/256,237,683.30 = 106,327,867.80/x - Step 3: Cross multiply
170,825,122.20x = 256,237,683.30 × 106,327,867.80 - Step 4: Simplify right side
170,825,122.20x = 27,245,206,515,300,668 - Step 5: Solve for x
x = 27,245,206,515,300,668/170,825,122.20 - Step 6: Final answer
x = 159,491,801.70
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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.