Finding the Fourth Proportional to 174,743,075.20, 261,961,071.62 and 71,199,349.60
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Solution
The fourth proportional to 174,743,075.20, 261,961,071.62 and 71,199,349.60 is: 106,736,463.80
Step by Step Solution
- Step 1: Write the proportion equation
174,743,075.20 : 261,961,071.62 = 71,199,349.60 : x - Step 2: Convert to fraction form
174,743,075.20/261,961,071.62 = 71,199,349.60/x - Step 3: Cross multiply
174,743,075.20x = 261,961,071.62 × 71,199,349.60 - Step 4: Simplify right side
174,743,075.20x = 18,651,457,919,863,016 - Step 5: Solve for x
x = 18,651,457,919,863,016/174,743,075.20 - Step 6: Final answer
x = 106,736,463.80
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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.