Finding the Fourth Proportional to 235,123,744.41, 324,431,546.94 and 130,687,616.30
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Solution
The fourth proportional to 235,123,744.41, 324,431,546.94 and 130,687,616.30 is: 180,327,110.84
Step by Step Solution
- Step 1: Write the proportion equation
235,123,744.41 : 324,431,546.94 = 130,687,616.30 : x - Step 2: Convert to fraction form
235,123,744.41/324,431,546.94 = 130,687,616.30/x - Step 3: Cross multiply
235,123,744.41x = 324,431,546.94 × 130,687,616.30 - Step 4: Simplify right side
235,123,744.41x = 42,399,185,520,488,000 - Step 5: Solve for x
x = 42,399,185,520,488,000/235,123,744.41 - Step 6: Final answer
x = 180,327,110.84
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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.