Finding the Fourth Proportional to 84,994,331.40, 127,491,497.10 and 27,492,415.20
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Solution
The fourth proportional to 84,994,331.40, 127,491,497.10 and 27,492,415.20 is: 41,238,622.80
Step by Step Solution
- Step 1: Write the proportion equation
84,994,331.40 : 127,491,497.10 = 27,492,415.20 : x - Step 2: Convert to fraction form
84,994,331.40/127,491,497.10 = 27,492,415.20/x - Step 3: Cross multiply
84,994,331.40x = 127,491,497.10 × 27,492,415.20 - Step 4: Simplify right side
84,994,331.40x = 3,505,049,172,742,795.50 - Step 5: Solve for x
x = 3,505,049,172,742,795.50/84,994,331.40 - Step 6: Final answer
x = 41,238,622.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.