Finding the Fourth Proportional to 98,806,234.33, 136,307,891.46 and 59,635,489.69
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Solution
The fourth proportional to 98,806,234.33, 136,307,891.46 and 59,635,489.69 is: 82,269,989.45
Step by Step Solution
- Step 1: Write the proportion equation
98,806,234.33 : 136,307,891.46 = 59,635,489.69 : x - Step 2: Convert to fraction form
98,806,234.33/136,307,891.46 = 59,635,489.69/x - Step 3: Cross multiply
98,806,234.33x = 136,307,891.46 × 59,635,489.69 - Step 4: Simplify right side
98,806,234.33x = 8,128,787,855,455,756 - Step 5: Solve for x
x = 8,128,787,855,455,756/98,806,234.33 - Step 6: Final answer
x = 82,269,989.45
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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.