Finding the Fourth Proportional to 29,160,120.64, 39,891,251.60 and 29,037,300.16
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Solution
The fourth proportional to 29,160,120.64, 39,891,251.60 and 29,037,300.16 is: 39,723,232.31
Step by Step Solution
- Step 1: Write the proportion equation
29,160,120.64 : 39,891,251.60 = 29,037,300.16 : x - Step 2: Convert to fraction form
29,160,120.64/39,891,251.60 = 29,037,300.16/x - Step 3: Cross multiply
29,160,120.64x = 39,891,251.60 × 29,037,300.16 - Step 4: Simplify right side
29,160,120.64x = 1,158,334,246,467,280.25 - Step 5: Solve for x
x = 1,158,334,246,467,280.25/29,160,120.64 - Step 6: Final answer
x = 39,723,232.31
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.