Finding the Fourth Proportional to 331,945,703.87, 458,125,240.19 and 188,926,239.88
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Solution
The fourth proportional to 331,945,703.87, 458,125,240.19 and 188,926,239.88 is: 260,741,073.05
Step by Step Solution
- Step 1: Write the proportion equation
331,945,703.87 : 458,125,240.19 = 188,926,239.88 : x - Step 2: Convert to fraction form
331,945,703.87/458,125,240.19 = 188,926,239.88/x - Step 3: Cross multiply
331,945,703.87x = 458,125,240.19 × 188,926,239.88 - Step 4: Simplify right side
331,945,703.87x = 86,551,879,021,128,608 - Step 5: Solve for x
x = 86,551,879,021,128,608/331,945,703.87 - Step 6: Final answer
x = 260,741,073.05
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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.