Finding the Fourth Proportional to 84,704,251.24, 126,994,433.82 and 27,163,769.32
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Solution
The fourth proportional to 84,704,251.24, 126,994,433.82 and 27,163,769.32 is: 40,725,789.49
Step by Step Solution
- Step 1: Write the proportion equation
84,704,251.24 : 126,994,433.82 = 27,163,769.32 : x - Step 2: Convert to fraction form
84,704,251.24/126,994,433.82 = 27,163,769.32/x - Step 3: Cross multiply
84,704,251.24x = 126,994,433.82 × 27,163,769.32 - Step 4: Simplify right side
84,704,251.24x = 3,449,647,505,210,486 - Step 5: Solve for x
x = 3,449,647,505,210,486/84,704,251.24 - Step 6: Final answer
x = 40,725,789.49
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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.