Finding the Fourth Proportional to 194,257,451.34, 268,075,953.68 and 106,151,452.97
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Solution
The fourth proportional to 194,257,451.34, 268,075,953.68 and 106,151,452.97 is: 146,489,371.66
Step by Step Solution
- Step 1: Write the proportion equation
194,257,451.34 : 268,075,953.68 = 106,151,452.97 : x - Step 2: Convert to fraction form
194,257,451.34/268,075,953.68 = 106,151,452.97/x - Step 3: Cross multiply
194,257,451.34x = 268,075,953.68 × 106,151,452.97 - Step 4: Simplify right side
194,257,451.34x = 28,456,651,987,579,284 - Step 5: Solve for x
x = 28,456,651,987,579,284/194,257,451.34 - Step 6: Final answer
x = 146,489,371.66
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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.