Finding the Fourth Proportional to 194,947,934.26, 292,419,646.08 and 47,396,331.40
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Solution
The fourth proportional to 194,947,934.26, 292,419,646.08 and 47,396,331.40 is: 71,093,948.78
Step by Step Solution
- Step 1: Write the proportion equation
194,947,934.26 : 292,419,646.08 = 47,396,331.40 : x - Step 2: Convert to fraction form
194,947,934.26/292,419,646.08 = 47,396,331.40/x - Step 3: Cross multiply
194,947,934.26x = 292,419,646.08 × 47,396,331.40 - Step 4: Simplify right side
194,947,934.26x = 13,859,618,453,478,390 - Step 5: Solve for x
x = 13,859,618,453,478,390/194,947,934.26 - Step 6: Final answer
x = 71,093,948.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.