Finding the Fourth Proportional to 176,128,412.40, 264,192,618.60 and 163,373,828.40
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Solution
The fourth proportional to 176,128,412.40, 264,192,618.60 and 163,373,828.40 is: 245,060,742.60
Step by Step Solution
- Step 1: Write the proportion equation
176,128,412.40 : 264,192,618.60 = 163,373,828.40 : x - Step 2: Convert to fraction form
176,128,412.40/264,192,618.60 = 163,373,828.40/x - Step 3: Cross multiply
176,128,412.40x = 264,192,618.60 × 163,373,828.40 - Step 4: Simplify right side
176,128,412.40x = 43,162,159,535,703,048 - Step 5: Solve for x
x = 43,162,159,535,703,048/176,128,412.40 - Step 6: Final answer
x = 245,060,742.60
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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.