Finding the Fourth Proportional to 135,051,775.44, 202,253,965.28 and 69,299,882.88
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Solution
The fourth proportional to 135,051,775.44, 202,253,965.28 and 69,299,882.88 is: 103,783,723.39
Step by Step Solution
- Step 1: Write the proportion equation
135,051,775.44 : 202,253,965.28 = 69,299,882.88 : x - Step 2: Convert to fraction form
135,051,775.44/202,253,965.28 = 69,299,882.88/x - Step 3: Cross multiply
135,051,775.44x = 202,253,965.28 × 69,299,882.88 - Step 4: Simplify right side
135,051,775.44x = 14,016,176,105,919,586 - Step 5: Solve for x
x = 14,016,176,105,919,586/135,051,775.44 - Step 6: Final answer
x = 103,783,723.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.