Finding the Fourth Proportional to 188,946,013.80, 283,419,020.70 and 79,894,320.60
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Solution
The fourth proportional to 188,946,013.80, 283,419,020.70 and 79,894,320.60 is: 119,841,480.90
Step by Step Solution
- Step 1: Write the proportion equation
188,946,013.80 : 283,419,020.70 = 79,894,320.60 : x - Step 2: Convert to fraction form
188,946,013.80/283,419,020.70 = 79,894,320.60/x - Step 3: Cross multiply
188,946,013.80x = 283,419,020.70 × 79,894,320.60 - Step 4: Simplify right side
188,946,013.80x = 22,643,570,103,943,832 - Step 5: Solve for x
x = 22,643,570,103,943,832/188,946,013.80 - Step 6: Final answer
x = 119,841,480.90
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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.