Finding the Fourth Proportional to 277,466,691.49, 382,855,362.94 and 158,334,891.12
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Solution
The fourth proportional to 277,466,691.49, 382,855,362.94 and 158,334,891.12 is: 218,474,375.72
Step by Step Solution
- Step 1: Write the proportion equation
277,466,691.49 : 382,855,362.94 = 158,334,891.12 : x - Step 2: Convert to fraction form
277,466,691.49/382,855,362.94 = 158,334,891.12/x - Step 3: Cross multiply
277,466,691.49x = 382,855,362.94 × 158,334,891.12 - Step 4: Simplify right side
277,466,691.49x = 60,619,362,205,417,144 - Step 5: Solve for x
x = 60,619,362,205,417,144/277,466,691.49 - Step 6: Final answer
x = 218,474,375.72
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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.