Finding the Fourth Proportional to 61,004,227.60, 84,154,704.63 and 38,954,543.68
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Solution
The fourth proportional to 61,004,227.60, 84,154,704.63 and 38,954,543.68 is: 53,737,392.41
Step by Step Solution
- Step 1: Write the proportion equation
61,004,227.60 : 84,154,704.63 = 38,954,543.68 : x - Step 2: Convert to fraction form
61,004,227.60/84,154,704.63 = 38,954,543.68/x - Step 3: Cross multiply
61,004,227.60x = 84,154,704.63 × 38,954,543.68 - Step 4: Simplify right side
61,004,227.60x = 3,278,208,117,386,833 - Step 5: Solve for x
x = 3,278,208,117,386,833/61,004,227.60 - Step 6: Final answer
x = 53,737,392.41
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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.