Finding the Fourth Proportional to 86,168,643.44, 118,912,163.67 and 48,998,929.68
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Solution
The fourth proportional to 86,168,643.44, 118,912,163.67 and 48,998,929.68 is: 67,618,202.09
Step by Step Solution
- Step 1: Write the proportion equation
86,168,643.44 : 118,912,163.67 = 48,998,929.68 : x - Step 2: Convert to fraction form
86,168,643.44/118,912,163.67 = 48,998,929.68/x - Step 3: Cross multiply
86,168,643.44x = 118,912,163.67 × 48,998,929.68 - Step 4: Simplify right side
86,168,643.44x = 5,826,568,745,762,981 - Step 5: Solve for x
x = 5,826,568,745,762,981/86,168,643.44 - Step 6: Final answer
x = 67,618,202.09
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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.