Finding the Fourth Proportional to 66,268,906.92, 91,450,219.86 and 36,498,983.40
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Solution
The fourth proportional to 66,268,906.92, 91,450,219.86 and 36,498,983.40 is: 50,368,116.99
Step by Step Solution
- Step 1: Write the proportion equation
66,268,906.92 : 91,450,219.86 = 36,498,983.40 : x - Step 2: Convert to fraction form
66,268,906.92/91,450,219.86 = 36,498,983.40/x - Step 3: Cross multiply
66,268,906.92x = 91,450,219.86 × 36,498,983.40 - Step 4: Simplify right side
66,268,906.92x = 3,337,840,056,596,490 - Step 5: Solve for x
x = 3,337,840,056,596,490/66,268,906.92 - Step 6: Final answer
x = 50,368,116.99
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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.