Finding the Fourth Proportional to 152,297,926.44, 209,968,148.34 and 121,040,350.44
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Solution
The fourth proportional to 152,297,926.44, 209,968,148.34 and 121,040,350.44 is: 166,874,355.09
Step by Step Solution
- Step 1: Write the proportion equation
152,297,926.44 : 209,968,148.34 = 121,040,350.44 : x - Step 2: Convert to fraction form
152,297,926.44/209,968,148.34 = 121,040,350.44/x - Step 3: Cross multiply
152,297,926.44x = 209,968,148.34 × 121,040,350.44 - Step 4: Simplify right side
152,297,926.44x = 25,414,618,256,311,504 - Step 5: Solve for x
x = 25,414,618,256,311,504/152,297,926.44 - Step 6: Final answer
x = 166,874,355.09
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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.