Finding the Fourth Proportional to 213,863,696.73, 295,081,312.44 and 121,044,204.57
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Solution
The fourth proportional to 213,863,696.73, 295,081,312.44 and 121,044,204.57 is: 167,012,369.53
Step by Step Solution
- Step 1: Write the proportion equation
213,863,696.73 : 295,081,312.44 = 121,044,204.57 : x - Step 2: Convert to fraction form
213,863,696.73/295,081,312.44 = 121,044,204.57/x - Step 3: Cross multiply
213,863,696.73x = 295,081,312.44 × 121,044,204.57 - Step 4: Simplify right side
213,863,696.73x = 35,717,882,747,771,444 - Step 5: Solve for x
x = 35,717,882,747,771,444/213,863,696.73 - Step 6: Final answer
x = 167,012,369.53
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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.