Finding the Fourth Proportional to 177,169,722.30, 265,754,583.45 and 81,618,234.30
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Solution
The fourth proportional to 177,169,722.30, 265,754,583.45 and 81,618,234.30 is: 122,427,351.45
Step by Step Solution
- Step 1: Write the proportion equation
177,169,722.30 : 265,754,583.45 = 81,618,234.30 : x - Step 2: Convert to fraction form
177,169,722.30/265,754,583.45 = 81,618,234.30/x - Step 3: Cross multiply
177,169,722.30x = 265,754,583.45 × 81,618,234.30 - Step 4: Simplify right side
177,169,722.30x = 21,690,419,858,321,000 - Step 5: Solve for x
x = 21,690,419,858,321,000/177,169,722.30 - Step 6: Final answer
x = 122,427,351.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.