Finding the Fourth Proportional to 202,286,989.26, 279,126,016.07 and 122,860,718.82
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Solution
The fourth proportional to 202,286,989.26, 279,126,016.07 and 122,860,718.82 is: 169,529,553.53
Step by Step Solution
- Step 1: Write the proportion equation
202,286,989.26 : 279,126,016.07 = 122,860,718.82 : x - Step 2: Convert to fraction form
202,286,989.26/279,126,016.07 = 122,860,718.82/x - Step 3: Cross multiply
202,286,989.26x = 279,126,016.07 × 122,860,718.82 - Step 4: Simplify right side
202,286,989.26x = 34,293,622,975,108,764 - Step 5: Solve for x
x = 34,293,622,975,108,764/202,286,989.26 - Step 6: Final answer
x = 169,529,553.53
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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.