Finding the Fourth Proportional to 101,771,232.67, 140,444,194.79 and 55,361,375.88
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Solution
The fourth proportional to 101,771,232.67, 140,444,194.79 and 55,361,375.88 is: 76,398,640.89
Step by Step Solution
- Step 1: Write the proportion equation
101,771,232.67 : 140,444,194.79 = 55,361,375.88 : x - Step 2: Convert to fraction form
101,771,232.67/140,444,194.79 = 55,361,375.88/x - Step 3: Cross multiply
101,771,232.67x = 140,444,194.79 × 55,361,375.88 - Step 4: Simplify right side
101,771,232.67x = 7,775,183,857,544,865 - Step 5: Solve for x
x = 7,775,183,857,544,865/101,771,232.67 - Step 6: Final answer
x = 76,398,640.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.