Finding the Fourth Proportional to 272,541,881.18, 376,109,324.09 and 155,067,208.99
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Solution
The fourth proportional to 272,541,881.18, 376,109,324.09 and 155,067,208.99 is: 213,993,617.82
Step by Step Solution
- Step 1: Write the proportion equation
272,541,881.18 : 376,109,324.09 = 155,067,208.99 : x - Step 2: Convert to fraction form
272,541,881.18/376,109,324.09 = 155,067,208.99/x - Step 3: Cross multiply
272,541,881.18x = 376,109,324.09 × 155,067,208.99 - Step 4: Simplify right side
272,541,881.18x = 58,322,223,160,617,568 - Step 5: Solve for x
x = 58,322,223,160,617,568/272,541,881.18 - Step 6: Final answer
x = 213,993,617.82
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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.