Finding the Fourth Proportional to 74,717,362,690.92, 103,112,273,336.58 and 40,886,083,722.60
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Solution
The fourth proportional to 74,717,362,690.92, 103,112,273,336.58 and 40,886,083,722.60 is: 56,424,061,136.99
Step by Step Solution
- Step 1: Write the proportion equation
74,717,362,690.92 : 103,112,273,336.58 = 40,886,083,722.60 : x - Step 2: Convert to fraction form
74,717,362,690.92/103,112,273,336.58 = 40,886,083,722.60/x - Step 3: Cross multiply
74,717,362,690.92x = 103,112,273,336.58 × 40,886,083,722.60 - Step 4: Simplify right side
74,717,362,690.92x = 4,215,857,040,467,025,199,104 - Step 5: Solve for x
x = 4,215,857,040,467,025,199,104/74,717,362,690.92 - Step 6: Final answer
x = 56,424,061,136.99
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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.