Finding the Fourth Proportional to 51,537,205.76, 71,117,116.16 and 30,340,621.12
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Solution
The fourth proportional to 51,537,205.76, 71,117,116.16 and 30,340,621.12 is: 41,867,568.19
Step by Step Solution
- Step 1: Write the proportion equation
51,537,205.76 : 71,117,116.16 = 30,340,621.12 : x - Step 2: Convert to fraction form
51,537,205.76/71,117,116.16 = 30,340,621.12/x - Step 3: Cross multiply
51,537,205.76x = 71,117,116.16 × 30,340,621.12 - Step 4: Simplify right side
51,537,205.76x = 2,157,737,476,557,589.25 - Step 5: Solve for x
x = 2,157,737,476,557,589.25/51,537,205.76 - Step 6: Final answer
x = 41,867,568.19
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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.