Finding the Fourth Proportional to 71,551,741.27, 98,743,832.18 and 40,195,323.67
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Solution
The fourth proportional to 71,551,741.27, 98,743,832.18 and 40,195,323.67 is: 55,470,911.32
Step by Step Solution
- Step 1: Write the proportion equation
71,551,741.27 : 98,743,832.18 = 40,195,323.67 : x - Step 2: Convert to fraction form
71,551,741.27/98,743,832.18 = 40,195,323.67/x - Step 3: Cross multiply
71,551,741.27x = 98,743,832.18 × 40,195,323.67 - Step 4: Simplify right side
71,551,741.27x = 3,969,040,294,891,262 - Step 5: Solve for x
x = 3,969,040,294,891,262/71,551,741.27 - Step 6: Final answer
x = 55,470,911.32
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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.