Finding the Fourth Proportional to 220,829,732.80, 331,304,236.80 and 67,471,607.68
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Solution
The fourth proportional to 220,829,732.80, 331,304,236.80 and 67,471,607.68 is: 101,225,633.00
Step by Step Solution
- Step 1: Write the proportion equation
220,829,732.80 : 331,304,236.80 = 67,471,607.68 : x - Step 2: Convert to fraction form
220,829,732.80/331,304,236.80 = 67,471,607.68/x - Step 3: Cross multiply
220,829,732.80x = 331,304,236.80 × 67,471,607.68 - Step 4: Simplify right side
220,829,732.80x = 22,353,629,488,091,420 - Step 5: Solve for x
x = 22,353,629,488,091,420/220,829,732.80 - Step 6: Final answer
x = 101,225,633.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.