Finding the Fourth Proportional to 54,128,550.70, 81,192,826.05 and 25,430,736.70
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Solution
The fourth proportional to 54,128,550.70, 81,192,826.05 and 25,430,736.70 is: 38,146,105.05
Step by Step Solution
- Step 1: Write the proportion equation
54,128,550.70 : 81,192,826.05 = 25,430,736.70 : x - Step 2: Convert to fraction form
54,128,550.70/81,192,826.05 = 25,430,736.70/x - Step 3: Cross multiply
54,128,550.70x = 81,192,826.05 × 25,430,736.70 - Step 4: Simplify right side
54,128,550.70x = 2,064,793,381,206,451 - Step 5: Solve for x
x = 2,064,793,381,206,451/54,128,550.70 - Step 6: Final answer
x = 38,146,105.05
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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.