Finding the Fourth Proportional to 193,939,337.80, 291,050,724.30 and 136,543,709.80
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Solution
The fourth proportional to 193,939,337.80, 291,050,724.30 and 136,543,709.80 is: 204,915,341.50
Step by Step Solution
- Step 1: Write the proportion equation
193,939,337.80 : 291,050,724.30 = 136,543,709.80 : x - Step 2: Convert to fraction form
193,939,337.80/291,050,724.30 = 136,543,709.80/x - Step 3: Cross multiply
193,939,337.80x = 291,050,724.30 × 136,543,709.80 - Step 4: Simplify right side
193,939,337.80x = 39,741,145,635,899,016 - Step 5: Solve for x
x = 39,741,145,635,899,016/193,939,337.80 - Step 6: Final answer
x = 204,915,341.50
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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.