Finding the Fourth Proportional to 135,202,990.80, 203,036,574.66 and 82,987,278.30
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Solution
The fourth proportional to 135,202,990.80, 203,036,574.66 and 82,987,278.30 is: 124,623,372.80
Step by Step Solution
- Step 1: Write the proportion equation
135,202,990.80 : 203,036,574.66 = 82,987,278.30 : x - Step 2: Convert to fraction form
135,202,990.80/203,036,574.66 = 82,987,278.30/x - Step 3: Cross multiply
135,202,990.80x = 203,036,574.66 × 82,987,278.30 - Step 4: Simplify right side
135,202,990.80x = 16,849,452,726,388,146 - Step 5: Solve for x
x = 16,849,452,726,388,146/135,202,990.80 - Step 6: Final answer
x = 124,623,372.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.