Finding the Fourth Proportional to 86,051,717.46, 129,102,801.39 and 27,758,231.19
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Solution
The fourth proportional to 86,051,717.46, 129,102,801.39 and 27,758,231.19 is: 41,645,483.83
Step by Step Solution
- Step 1: Write the proportion equation
86,051,717.46 : 129,102,801.39 = 27,758,231.19 : x - Step 2: Convert to fraction form
86,051,717.46/129,102,801.39 = 27,758,231.19/x - Step 3: Cross multiply
86,051,717.46x = 129,102,801.39 × 27,758,231.19 - Step 4: Simplify right side
86,051,717.46x = 3,583,665,408,260,273.50 - Step 5: Solve for x
x = 3,583,665,408,260,273.50/86,051,717.46 - Step 6: Final answer
x = 41,645,483.83
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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.