Finding the Fourth Proportional to 272,093,452.68, 408,376,020.78 and 142,792,413.96
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Solution
The fourth proportional to 272,093,452.68, 408,376,020.78 and 142,792,413.96 is: 214,312,388.76
Step by Step Solution
- Step 1: Write the proportion equation
272,093,452.68 : 408,376,020.78 = 142,792,413.96 : x - Step 2: Convert to fraction form
272,093,452.68/408,376,020.78 = 142,792,413.96/x - Step 3: Cross multiply
272,093,452.68x = 408,376,020.78 × 142,792,413.96 - Step 4: Simplify right side
272,093,452.68x = 58,312,997,810,555,320 - Step 5: Solve for x
x = 58,312,997,810,555,320/272,093,452.68 - Step 6: Final answer
x = 214,312,388.76
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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.