Finding the Fourth Proportional to 268,620,584.07, 403,013,107.99 and 137,555,658.43
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Solution
The fourth proportional to 268,620,584.07, 403,013,107.99 and 137,555,658.43 is: 206,375,597.09
Step by Step Solution
- Step 1: Write the proportion equation
268,620,584.07 : 403,013,107.99 = 137,555,658.43 : x - Step 2: Convert to fraction form
268,620,584.07/403,013,107.99 = 137,555,658.43/x - Step 3: Cross multiply
268,620,584.07x = 403,013,107.99 × 137,555,658.43 - Step 4: Simplify right side
268,620,584.07x = 55,436,733,427,174,472 - Step 5: Solve for x
x = 55,436,733,427,174,472/268,620,584.07 - Step 6: Final answer
x = 206,375,597.09
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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.