Finding the Fourth Proportional to 73,275,718.26, 101,115,892.04 and 40,235,736.05
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Solution
The fourth proportional to 73,275,718.26, 101,115,892.04 and 40,235,736.05 is: 55,522,790.34
Step by Step Solution
- Step 1: Write the proportion equation
73,275,718.26 : 101,115,892.04 = 40,235,736.05 : x - Step 2: Convert to fraction form
73,275,718.26/101,115,892.04 = 40,235,736.05/x - Step 3: Cross multiply
73,275,718.26x = 101,115,892.04 × 40,235,736.05 - Step 4: Simplify right side
73,275,718.26x = 4,068,472,341,874,978 - Step 5: Solve for x
x = 4,068,472,341,874,978/73,275,718.26 - Step 6: Final answer
x = 55,522,790.34
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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.