Finding the Fourth Proportional to 134,777,133.92, 185,992,481.04 and 76,052,244.80
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Solution
The fourth proportional to 134,777,133.92, 185,992,481.04 and 76,052,244.80 is: 104,952,118.27
Step by Step Solution
- Step 1: Write the proportion equation
134,777,133.92 : 185,992,481.04 = 76,052,244.80 : x - Step 2: Convert to fraction form
134,777,133.92/185,992,481.04 = 76,052,244.80/x - Step 3: Cross multiply
134,777,133.92x = 185,992,481.04 × 76,052,244.80 - Step 4: Simplify right side
134,777,133.92x = 14,145,145,699,013,438 - Step 5: Solve for x
x = 14,145,145,699,013,438/134,777,133.92 - Step 6: Final answer
x = 104,952,118.27
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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.