Finding the Fourth Proportional to 170,269,145.62, 234,971,413.21 and 91,952,692.19
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Solution
The fourth proportional to 170,269,145.62, 234,971,413.21 and 91,952,692.19 is: 126,894,711.04
Step by Step Solution
- Step 1: Write the proportion equation
170,269,145.62 : 234,971,413.21 = 91,952,692.19 : x - Step 2: Convert to fraction form
170,269,145.62/234,971,413.21 = 91,952,692.19/x - Step 3: Cross multiply
170,269,145.62x = 234,971,413.21 × 91,952,692.19 - Step 4: Simplify right side
170,269,145.62x = 21,606,254,032,348,432 - Step 5: Solve for x
x = 21,606,254,032,348,432/170,269,145.62 - Step 6: Final answer
x = 126,894,711.04
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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.