Finding the Fourth Proportional to 204,534,216.36, 305,680,603.63 and 149,318,327.83
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Solution
The fourth proportional to 204,534,216.36, 305,680,603.63 and 149,318,327.83 is: 223,159,319.73
Step by Step Solution
- Step 1: Write the proportion equation
204,534,216.36 : 305,680,603.63 = 149,318,327.83 : x - Step 2: Convert to fraction form
204,534,216.36/305,680,603.63 = 149,318,327.83/x - Step 3: Cross multiply
204,534,216.36x = 305,680,603.63 × 149,318,327.83 - Step 4: Simplify right side
204,534,216.36x = 45,643,716,584,096,632 - Step 5: Solve for x
x = 45,643,716,584,096,632/204,534,216.36 - Step 6: Final answer
x = 223,159,319.73
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.