Finding the Fourth Proportional to 95,543,953.88, 143,133,350.94 and 80,080,764.91
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Solution
The fourth proportional to 95,543,953.88, 143,133,350.94 and 80,080,764.91 is: 119,968,116.89
Step by Step Solution
- Step 1: Write the proportion equation
95,543,953.88 : 143,133,350.94 = 80,080,764.91 : x - Step 2: Convert to fraction form
95,543,953.88/143,133,350.94 = 80,080,764.91/x - Step 3: Cross multiply
95,543,953.88x = 143,133,350.94 × 80,080,764.91 - Step 4: Simplify right side
95,543,953.88x = 11,462,228,227,048,834 - Step 5: Solve for x
x = 11,462,228,227,048,834/95,543,953.88 - Step 6: Final answer
x = 119,968,116.89
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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.