Finding the Fourth Proportional to 160,512,348.87, 221,512,493.88 and 153,157,413.15
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Solution
The fourth proportional to 160,512,348.87, 221,512,493.88 and 153,157,413.15 is: 211,362,432.75
Step by Step Solution
- Step 1: Write the proportion equation
160,512,348.87 : 221,512,493.88 = 153,157,413.15 : x - Step 2: Convert to fraction form
160,512,348.87/221,512,493.88 = 153,157,413.15/x - Step 3: Cross multiply
160,512,348.87x = 221,512,493.88 × 153,157,413.15 - Step 4: Simplify right side
160,512,348.87x = 33,926,280,543,066,008 - Step 5: Solve for x
x = 33,926,280,543,066,008/160,512,348.87 - Step 6: Final answer
x = 211,362,432.75
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1.5x scale
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.