Finding the Fourth Proportional to 272,541,938.26, 376,109,402.94 and 155,067,266.05
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Solution
The fourth proportional to 272,541,938.26, 376,109,402.94 and 155,067,266.05 is: 213,993,696.61
Step by Step Solution
- Step 1: Write the proportion equation
272,541,938.26 : 376,109,402.94 = 155,067,266.05 : x - Step 2: Convert to fraction form
272,541,938.26/376,109,402.94 = 155,067,266.05/x - Step 3: Cross multiply
272,541,938.26x = 376,109,402.94 × 155,067,266.05 - Step 4: Simplify right side
272,541,938.26x = 58,322,256,849,603,640 - Step 5: Solve for x
x = 58,322,256,849,603,640/272,541,938.26 - Step 6: Final answer
x = 213,993,696.61
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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.