Finding the Fourth Proportional to 49,901,230.36, 68,856,368.70 and 27,872,015.32
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Solution
The fourth proportional to 49,901,230.36, 68,856,368.70 and 27,872,015.32 is: 38,459,287.47
Step by Step Solution
- Step 1: Write the proportion equation
49,901,230.36 : 68,856,368.70 = 27,872,015.32 : x - Step 2: Convert to fraction form
49,901,230.36/68,856,368.70 = 27,872,015.32/x - Step 3: Cross multiply
49,901,230.36x = 68,856,368.70 × 27,872,015.32 - Step 4: Simplify right side
49,901,230.36x = 1,919,165,763,285,968.50 - Step 5: Solve for x
x = 1,919,165,763,285,968.50/49,901,230.36 - Step 6: Final answer
x = 38,459,287.47
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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.