Finding the Fourth Proportional to 170,515,220.22, 235,311,170.58 and 92,198,753.06
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Solution
The fourth proportional to 170,515,220.22, 235,311,170.58 and 92,198,753.06 is: 127,234,369.34
Step by Step Solution
- Step 1: Write the proportion equation
170,515,220.22 : 235,311,170.58 = 92,198,753.06 : x - Step 2: Convert to fraction form
170,515,220.22/235,311,170.58 = 92,198,753.06/x - Step 3: Cross multiply
170,515,220.22x = 235,311,170.58 × 92,198,753.06 - Step 4: Simplify right side
170,515,220.22x = 21,695,396,507,388,404 - Step 5: Solve for x
x = 21,695,396,507,388,404/170,515,220.22 - Step 6: Final answer
x = 127,234,369.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.