Finding the Fourth Proportional to 61,399,974.10, 84,770,203.84 and 39,085,550.76
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Solution
The fourth proportional to 61,399,974.10, 84,770,203.84 and 39,085,550.76 is: 53,962,402.32
Step by Step Solution
- Step 1: Write the proportion equation
61,399,974.10 : 84,770,203.84 = 39,085,550.76 : x - Step 2: Convert to fraction form
61,399,974.10/84,770,203.84 = 39,085,550.76/x - Step 3: Cross multiply
61,399,974.10x = 84,770,203.84 × 39,085,550.76 - Step 4: Simplify right side
61,399,974.10x = 3,313,290,105,123,867 - Step 5: Solve for x
x = 3,313,290,105,123,867/61,399,974.10 - Step 6: Final answer
x = 53,962,402.32
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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.