Finding the Fourth Proportional to 77,414,120.64, 116,192,914.56 and 39,102,487.92
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Solution
The fourth proportional to 77,414,120.64, 116,192,914.56 and 39,102,487.92 is: 58,689,965.09
Step by Step Solution
- Step 1: Write the proportion equation
77,414,120.64 : 116,192,914.56 = 39,102,487.92 : x - Step 2: Convert to fraction form
77,414,120.64/116,192,914.56 = 39,102,487.92/x - Step 3: Cross multiply
77,414,120.64x = 116,192,914.56 × 39,102,487.92 - Step 4: Simplify right side
77,414,120.64x = 4,543,432,037,971,992 - Step 5: Solve for x
x = 4,543,432,037,971,992/77,414,120.64 - Step 6: Final answer
x = 58,689,965.09
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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.