Finding the Fourth Proportional to 85,170,391.68, 127,792,186.56 and 27,680,280.96
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Solution
The fourth proportional to 85,170,391.68, 127,792,186.56 and 27,680,280.96 is: 41,532,316.09
Step by Step Solution
- Step 1: Write the proportion equation
85,170,391.68 : 127,792,186.56 = 27,680,280.96 : x - Step 2: Convert to fraction form
85,170,391.68/127,792,186.56 = 27,680,280.96/x - Step 3: Cross multiply
85,170,391.68x = 127,792,186.56 × 27,680,280.96 - Step 4: Simplify right side
85,170,391.68x = 3,537,323,628,473,536 - Step 5: Solve for x
x = 3,537,323,628,473,536/85,170,391.68 - Step 6: Final answer
x = 41,532,316.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.