Finding the Fourth Proportional to 76,227,574.12, 105,194,716.68 and 41,420,264.44
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Solution
The fourth proportional to 76,227,574.12, 105,194,716.68 and 41,420,264.44 is: 57,160,325.94
Step by Step Solution
- Step 1: Write the proportion equation
76,227,574.12 : 105,194,716.68 = 41,420,264.44 : x - Step 2: Convert to fraction form
76,227,574.12/105,194,716.68 = 41,420,264.44/x - Step 3: Cross multiply
76,227,574.12x = 105,194,716.68 × 41,420,264.44 - Step 4: Simplify right side
76,227,574.12x = 4,357,192,982,576,479 - Step 5: Solve for x
x = 4,357,192,982,576,479/76,227,574.12 - Step 6: Final answer
x = 57,160,325.94
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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.