Finding the Fourth Proportional to 287,482,984.29, 396,726,520.14 and 163,735,175.97
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Solution
The fourth proportional to 287,482,984.29, 396,726,520.14 and 163,735,175.97 is: 225,954,543.88
Step by Step Solution
- Step 1: Write the proportion equation
287,482,984.29 : 396,726,520.14 = 163,735,175.97 : x - Step 2: Convert to fraction form
287,482,984.29/396,726,520.14 = 163,735,175.97/x - Step 3: Cross multiply
287,482,984.29x = 396,726,520.14 × 163,735,175.97 - Step 4: Simplify right side
287,482,984.29x = 64,958,086,587,088,648 - Step 5: Solve for x
x = 64,958,086,587,088,648/287,482,984.29 - Step 6: Final answer
x = 225,954,543.88
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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.