Finding the Fourth Proportional to 136,086,557.80, 204,129,836.70 and 97,822,805.80
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Solution
The fourth proportional to 136,086,557.80, 204,129,836.70 and 97,822,805.80 is: 146,734,208.70
Step by Step Solution
- Step 1: Write the proportion equation
136,086,557.80 : 204,129,836.70 = 97,822,805.80 : x - Step 2: Convert to fraction form
136,086,557.80/204,129,836.70 = 97,822,805.80/x - Step 3: Cross multiply
136,086,557.80x = 204,129,836.70 × 97,822,805.80 - Step 4: Simplify right side
136,086,557.80x = 19,968,553,373,489,812 - Step 5: Solve for x
x = 19,968,553,373,489,812/136,086,557.80 - Step 6: Final answer
x = 146,734,208.70
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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.