Finding the Fourth Proportional to 324,186,015.20, 486,279,022.80 and 97,251,231.20
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Solution
The fourth proportional to 324,186,015.20, 486,279,022.80 and 97,251,231.20 is: 145,876,846.80
Step by Step Solution
- Step 1: Write the proportion equation
324,186,015.20 : 486,279,022.80 = 97,251,231.20 : x - Step 2: Convert to fraction form
324,186,015.20/486,279,022.80 = 97,251,231.20/x - Step 3: Cross multiply
324,186,015.20x = 486,279,022.80 × 97,251,231.20 - Step 4: Simplify right side
324,186,015.20x = 47,291,233,674,032,872 - Step 5: Solve for x
x = 47,291,233,674,032,872/324,186,015.20 - Step 6: Final answer
x = 145,876,846.80
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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.