Finding the Fourth Proportional to 66,959,464.20, 92,414,145.68 and 40,869,143.33
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Solution
The fourth proportional to 66,959,464.20, 92,414,145.68 and 40,869,143.33 is: 56,405,573.28
Step by Step Solution
- Step 1: Write the proportion equation
66,959,464.20 : 92,414,145.68 = 40,869,143.33 : x - Step 2: Convert to fraction form
66,959,464.20/92,414,145.68 = 40,869,143.33/x - Step 3: Cross multiply
66,959,464.20x = 92,414,145.68 × 40,869,143.33 - Step 4: Simplify right side
66,959,464.20x = 3,776,886,964,849,004 - Step 5: Solve for x
x = 3,776,886,964,849,004/66,959,464.20 - Step 6: Final answer
x = 56,405,573.28
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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.