Finding the Fourth Proportional to 213,863,699.97, 295,081,317 and 121,044,207.87
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Solution
The fourth proportional to 213,863,699.97, 295,081,317 and 121,044,207.87 is: 167,012,374.14
Step by Step Solution
- Step 1: Write the proportion equation
213,863,699.97 : 295,081,317 = 121,044,207.87 : x - Step 2: Convert to fraction form
213,863,699.97/295,081,317 = 121,044,207.87/x - Step 3: Cross multiply
213,863,699.97x = 295,081,317 × 121,044,207.87 - Step 4: Simplify right side
213,863,699.97x = 35,717,884,273,501,368 - Step 5: Solve for x
x = 35,717,884,273,501,368/213,863,699.97 - Step 6: Final answer
x = 167,012,374.14
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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.