Finding the Fourth Proportional to 202,783,609.20, 304,175,413.80 and 66,436,114.80
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Solution
The fourth proportional to 202,783,609.20, 304,175,413.80 and 66,436,114.80 is: 99,654,172.20
Step by Step Solution
- Step 1: Write the proportion equation
202,783,609.20 : 304,175,413.80 = 66,436,114.80 : x - Step 2: Convert to fraction form
202,783,609.20/304,175,413.80 = 66,436,114.80/x - Step 3: Cross multiply
202,783,609.20x = 304,175,413.80 × 66,436,114.80 - Step 4: Simplify right side
202,783,609.20x = 20,208,232,710,554,304 - Step 5: Solve for x
x = 20,208,232,710,554,304/202,783,609.20 - Step 6: Final answer
x = 99,654,172.20
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1.5x scale
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.