Finding the Fourth Proportional to 235,218,407.56, 324,601,669.62 and 130,794,236.87
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Solution
The fourth proportional to 235,218,407.56, 324,601,669.62 and 130,794,236.87 is: 180,496,195.45
Step by Step Solution
- Step 1: Write the proportion equation
235,218,407.56 : 324,601,669.62 = 130,794,236.87 : x - Step 2: Convert to fraction form
235,218,407.56/324,601,669.62 = 130,794,236.87/x - Step 3: Cross multiply
235,218,407.56x = 324,601,669.62 × 130,794,236.87 - Step 4: Simplify right side
235,218,407.56x = 42,456,027,663,052,752 - Step 5: Solve for x
x = 42,456,027,663,052,752/235,218,407.56 - Step 6: Final answer
x = 180,496,195.45
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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.