Finding the Fourth Proportional to 259,561,546.12, 358,194,907.02 and 142,086,955.96
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Solution
The fourth proportional to 259,561,546.12, 358,194,907.02 and 142,086,955.96 is: 196,079,984.65
Step by Step Solution
- Step 1: Write the proportion equation
259,561,546.12 : 358,194,907.02 = 142,086,955.96 : x - Step 2: Convert to fraction form
259,561,546.12/358,194,907.02 = 142,086,955.96/x - Step 3: Cross multiply
259,561,546.12x = 358,194,907.02 × 142,086,955.96 - Step 4: Simplify right side
259,561,546.12x = 50,894,823,978,847,032 - Step 5: Solve for x
x = 50,894,823,978,847,032/259,561,546.12 - Step 6: Final answer
x = 196,079,984.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.