Finding the Fourth Proportional to 66,790,631.74, 100,116,023.21 and 27,951,336.46
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Solution
The fourth proportional to 66,790,631.74, 100,116,023.21 and 27,951,336.46 is: 41,897,741.90
Step by Step Solution
- Step 1: Write the proportion equation
66,790,631.74 : 100,116,023.21 = 27,951,336.46 : x - Step 2: Convert to fraction form
66,790,631.74/100,116,023.21 = 27,951,336.46/x - Step 3: Cross multiply
66,790,631.74x = 100,116,023.21 × 27,951,336.46 - Step 4: Simplify right side
66,790,631.74x = 2,798,376,649,779,879 - Step 5: Solve for x
x = 2,798,376,649,779,879/66,790,631.74 - Step 6: Final answer
x = 41,897,741.90
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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.