Finding the Fourth Proportional to 68,868,694.67, 95,043,093.47 and 37,928,855.75
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Solution
The fourth proportional to 68,868,694.67, 95,043,093.47 and 37,928,855.75 is: 52,344,186.27
Step by Step Solution
- Step 1: Write the proportion equation
68,868,694.67 : 95,043,093.47 = 37,928,855.75 : x - Step 2: Convert to fraction form
68,868,694.67/95,043,093.47 = 37,928,855.75/x - Step 3: Cross multiply
68,868,694.67x = 95,043,093.47 × 37,928,855.75 - Step 4: Simplify right side
68,868,694.67x = 3,604,875,781,592,537 - Step 5: Solve for x
x = 3,604,875,781,592,537/68,868,694.67 - Step 6: Final answer
x = 52,344,186.27
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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.