Finding the Fourth Proportional to 307,738,378.96, 424,682,388.96 and 166,612,674.79
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Solution
The fourth proportional to 307,738,378.96, 424,682,388.96 and 166,612,674.79 is: 229,927,346.08
Step by Step Solution
- Step 1: Write the proportion equation
307,738,378.96 : 424,682,388.96 = 166,612,674.79 : x - Step 2: Convert to fraction form
307,738,378.96/424,682,388.96 = 166,612,674.79/x - Step 3: Cross multiply
307,738,378.96x = 424,682,388.96 × 166,612,674.79 - Step 4: Simplify right side
307,738,378.96x = 70,757,468,760,832,760 - Step 5: Solve for x
x = 70,757,468,760,832,760/307,738,378.96 - Step 6: Final answer
x = 229,927,346.08
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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.