Finding the Fourth Proportional to 308,141,654.36, 425,240,663.94 and 167,017,349.18
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Solution
The fourth proportional to 308,141,654.36, 425,240,663.94 and 167,017,349.18 is: 230,486,750.01
Step by Step Solution
- Step 1: Write the proportion equation
308,141,654.36 : 425,240,663.94 = 167,017,349.18 : x - Step 2: Convert to fraction form
308,141,654.36/425,240,663.94 = 167,017,349.18/x - Step 3: Cross multiply
308,141,654.36x = 425,240,663.94 × 167,017,349.18 - Step 4: Simplify right side
308,141,654.36x = 71,022,568,455,865,120 - Step 5: Solve for x
x = 71,022,568,455,865,120/308,141,654.36 - Step 6: Final answer
x = 230,486,750.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.