Finding the Fourth Proportional to 147,191,218.29, 203,125,224.68 and 81,114,087.44
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Solution
The fourth proportional to 147,191,218.29, 203,125,224.68 and 81,114,087.44 is: 111,938,181.00
Step by Step Solution
- Step 1: Write the proportion equation
147,191,218.29 : 203,125,224.68 = 81,114,087.44 : x - Step 2: Convert to fraction form
147,191,218.29/203,125,224.68 = 81,114,087.44/x - Step 3: Cross multiply
147,191,218.29x = 203,125,224.68 × 81,114,087.44 - Step 4: Simplify right side
147,191,218.29x = 16,476,317,234,541,970 - Step 5: Solve for x
x = 16,476,317,234,541,970/147,191,218.29 - Step 6: Final answer
x = 111,938,181.00
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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.