Finding the Fourth Proportional to 53,946,245.80, 80,919,368.70 and 15,609,010.60
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Solution
The fourth proportional to 53,946,245.80, 80,919,368.70 and 15,609,010.60 is: 23,413,515.90
Step by Step Solution
- Step 1: Write the proportion equation
53,946,245.80 : 80,919,368.70 = 15,609,010.60 : x - Step 2: Convert to fraction form
53,946,245.80/80,919,368.70 = 15,609,010.60/x - Step 3: Cross multiply
53,946,245.80x = 80,919,368.70 × 15,609,010.60 - Step 4: Simplify right side
53,946,245.80x = 1,263,071,283,783,608.25 - Step 5: Solve for x
x = 1,263,071,283,783,608.25/53,946,245.80 - Step 6: Final answer
x = 23,413,515.90
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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.