Finding the Fourth Proportional to 262,725,423.40, 394,088,135.10 and 165,979,541.80
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Solution
The fourth proportional to 262,725,423.40, 394,088,135.10 and 165,979,541.80 is: 248,969,312.70
Step by Step Solution
- Step 1: Write the proportion equation
262,725,423.40 : 394,088,135.10 = 165,979,541.80 : x - Step 2: Convert to fraction form
262,725,423.40/394,088,135.10 = 165,979,541.80/x - Step 3: Cross multiply
262,725,423.40x = 394,088,135.10 × 165,979,541.80 - Step 4: Simplify right side
262,725,423.40x = 65,410,568,092,714,504 - Step 5: Solve for x
x = 65,410,568,092,714,504/262,725,423.40 - Step 6: Final answer
x = 248,969,312.70
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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.