Finding the Fourth Proportional to 272,541,882.18, 376,109,325.47 and 155,067,209.99
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Solution
The fourth proportional to 272,541,882.18, 376,109,325.47 and 155,067,209.99 is: 213,993,619.20
Step by Step Solution
- Step 1: Write the proportion equation
272,541,882.18 : 376,109,325.47 = 155,067,209.99 : x - Step 2: Convert to fraction form
272,541,882.18/376,109,325.47 = 155,067,209.99/x - Step 3: Cross multiply
272,541,882.18x = 376,109,325.47 × 155,067,209.99 - Step 4: Simplify right side
272,541,882.18x = 58,322,223,751,853,752 - Step 5: Solve for x
x = 58,322,223,751,853,752/272,541,882.18 - Step 6: Final answer
x = 213,993,619.20
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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.