Finding the Fourth Proportional to 88,567,991.70, 132,851,987.55 and 40,792,247.70
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Solution
The fourth proportional to 88,567,991.70, 132,851,987.55 and 40,792,247.70 is: 61,188,371.55
Step by Step Solution
- Step 1: Write the proportion equation
88,567,991.70 : 132,851,987.55 = 40,792,247.70 : x - Step 2: Convert to fraction form
88,567,991.70/132,851,987.55 = 40,792,247.70/x - Step 3: Cross multiply
88,567,991.70x = 132,851,987.55 × 40,792,247.70 - Step 4: Simplify right side
88,567,991.70x = 5,419,331,183,576,916 - Step 5: Solve for x
x = 5,419,331,183,576,916/88,567,991.70 - Step 6: Final answer
x = 61,188,371.55
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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.