Finding the Fourth Proportional to 202,296,076.32, 279,169,464.42 and 109,476,591.96
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Solution
The fourth proportional to 202,296,076.32, 279,169,464.42 and 109,476,591.96 is: 151,078,172.65
Step by Step Solution
- Step 1: Write the proportion equation
202,296,076.32 : 279,169,464.42 = 109,476,591.96 : x - Step 2: Convert to fraction form
202,296,076.32/279,169,464.42 = 109,476,591.96/x - Step 3: Cross multiply
202,296,076.32x = 279,169,464.42 × 109,476,591.96 - Step 4: Simplify right side
202,296,076.32x = 30,562,521,544,000,080 - Step 5: Solve for x
x = 30,562,521,544,000,080/202,296,076.32 - Step 6: Final answer
x = 151,078,172.65
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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.