Finding the Fourth Proportional to 131,034,544.65, 195,784,235.03 and 126,451,998.09
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Solution
The fourth proportional to 131,034,544.65, 195,784,235.03 and 126,451,998.09 is: 188,937,259.11
Step by Step Solution
- Step 1: Write the proportion equation
131,034,544.65 : 195,784,235.03 = 126,451,998.09 : x - Step 2: Convert to fraction form
131,034,544.65/195,784,235.03 = 126,451,998.09/x - Step 3: Cross multiply
131,034,544.65x = 195,784,235.03 × 126,451,998.09 - Step 4: Simplify right side
131,034,544.65x = 24,757,307,714,381,800 - Step 5: Solve for x
x = 24,757,307,714,381,800/131,034,544.65 - Step 6: Final answer
x = 188,937,259.11
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.