Finding the Fourth Proportional to 71,007,718.20, 106,511,577.30 and 46,821,247.80
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Solution
The fourth proportional to 71,007,718.20, 106,511,577.30 and 46,821,247.80 is: 70,231,871.70
Step by Step Solution
- Step 1: Write the proportion equation
71,007,718.20 : 106,511,577.30 = 46,821,247.80 : x - Step 2: Convert to fraction form
71,007,718.20/106,511,577.30 = 46,821,247.80/x - Step 3: Cross multiply
71,007,718.20x = 106,511,577.30 × 46,821,247.80 - Step 4: Simplify right side
71,007,718.20x = 4,987,004,954,332,154 - Step 5: Solve for x
x = 4,987,004,954,332,154/71,007,718.20 - Step 6: Final answer
x = 70,231,871.70
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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.