Finding the Fourth Proportional to 155,086,465.23, 214,015,635.68 and 84,524,303.43
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Solution
The fourth proportional to 155,086,465.23, 214,015,635.68 and 84,524,303.43 is: 116,641,529.62
Step by Step Solution
- Step 1: Write the proportion equation
155,086,465.23 : 214,015,635.68 = 84,524,303.43 : x - Step 2: Convert to fraction form
155,086,465.23/214,015,635.68 = 84,524,303.43/x - Step 3: Cross multiply
155,086,465.23x = 214,015,635.68 × 84,524,303.43 - Step 4: Simplify right side
155,086,465.23x = 18,089,522,528,558,036 - Step 5: Solve for x
x = 18,089,522,528,558,036/155,086,465.23 - Step 6: Final answer
x = 116,641,529.62
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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.