Finding the Fourth Proportional to 163,864,845.48, 226,133,577.49 and 88,511,173.02
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Solution
The fourth proportional to 163,864,845.48, 226,133,577.49 and 88,511,173.02 is: 122,145,467.78
Step by Step Solution
- Step 1: Write the proportion equation
163,864,845.48 : 226,133,577.49 = 88,511,173.02 : x - Step 2: Convert to fraction form
163,864,845.48/226,133,577.49 = 88,511,173.02/x - Step 3: Cross multiply
163,864,845.48x = 226,133,577.49 × 88,511,173.02 - Step 4: Simplify right side
163,864,845.48x = 20,015,348,203,942,428 - Step 5: Solve for x
x = 20,015,348,203,942,428/163,864,845.48 - Step 6: Final answer
x = 122,145,467.78
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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.