Finding the Fourth Proportional to 204,127,029.90, 306,190,544.85 and 74,738,861.10
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Solution
The fourth proportional to 204,127,029.90, 306,190,544.85 and 74,738,861.10 is: 112,108,291.65
Step by Step Solution
- Step 1: Write the proportion equation
204,127,029.90 : 306,190,544.85 = 74,738,861.10 : x - Step 2: Convert to fraction form
204,127,029.90/306,190,544.85 = 74,738,861.10/x - Step 3: Cross multiply
204,127,029.90x = 306,190,544.85 × 74,738,861.10 - Step 4: Simplify right side
204,127,029.90x = 22,884,332,601,677,472 - Step 5: Solve for x
x = 22,884,332,601,677,472/204,127,029.90 - Step 6: Final answer
x = 112,108,291.65
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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.