Finding the Fourth Proportional to 73,616,564.80, 110,424,847.20 and 53,102,942.20
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Solution
The fourth proportional to 73,616,564.80, 110,424,847.20 and 53,102,942.20 is: 79,654,413.30
Step by Step Solution
- Step 1: Write the proportion equation
73,616,564.80 : 110,424,847.20 = 53,102,942.20 : x - Step 2: Convert to fraction form
73,616,564.80/110,424,847.20 = 53,102,942.20/x - Step 3: Cross multiply
73,616,564.80x = 110,424,847.20 × 53,102,942.20 - Step 4: Simplify right side
73,616,564.80x = 5,863,884,278,305,432 - Step 5: Solve for x
x = 5,863,884,278,305,432/73,616,564.80 - Step 6: Final answer
x = 79,654,413.30
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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.