Finding the Fourth Proportional to 331,971,824.70, 458,161,474.05 and 192,742,586.46
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Solution
The fourth proportional to 331,971,824.70, 458,161,474.05 and 192,742,586.46 is: 266,008,199.96
Step by Step Solution
- Step 1: Write the proportion equation
331,971,824.70 : 458,161,474.05 = 192,742,586.46 : x - Step 2: Convert to fraction form
331,971,824.70/458,161,474.05 = 192,742,586.46/x - Step 3: Cross multiply
331,971,824.70x = 458,161,474.05 × 192,742,586.46 - Step 4: Simplify right side
331,971,824.70x = 88,307,227,524,723,184 - Step 5: Solve for x
x = 88,307,227,524,723,184/331,971,824.70 - Step 6: Final answer
x = 266,008,199.96
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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.