Finding the Fourth Proportional to 71,351,827.52, 98,473,690.14 and 39,998,344.64
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Solution
The fourth proportional to 71,351,827.52, 98,473,690.14 and 39,998,344.64 is: 55,202,294.50
Step by Step Solution
- Step 1: Write the proportion equation
71,351,827.52 : 98,473,690.14 = 39,998,344.64 : x - Step 2: Convert to fraction form
71,351,827.52/98,473,690.14 = 39,998,344.64/x - Step 3: Cross multiply
71,351,827.52x = 98,473,690.14 × 39,998,344.64 - Step 4: Simplify right side
71,351,827.52x = 3,938,784,596,192,290 - Step 5: Solve for x
x = 3,938,784,596,192,290/71,351,827.52 - Step 6: Final answer
x = 55,202,294.50
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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.