Finding the Fourth Proportional to 141,824,217.06, 195,720,413.81 and 79,944,539.22
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Solution
The fourth proportional to 141,824,217.06, 195,720,413.81 and 79,944,539.22 is: 110,325,151.95
Step by Step Solution
- Step 1: Write the proportion equation
141,824,217.06 : 195,720,413.81 = 79,944,539.22 : x - Step 2: Convert to fraction form
141,824,217.06/195,720,413.81 = 79,944,539.22/x - Step 3: Cross multiply
141,824,217.06x = 195,720,413.81 × 79,944,539.22 - Step 4: Simplify right side
141,824,217.06x = 15,646,778,297,588,452 - Step 5: Solve for x
x = 15,646,778,297,588,452/141,824,217.06 - Step 6: Final answer
x = 110,325,151.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.