Finding the Fourth Proportional to 74,629,243.68, 102,983,831.94 and 41,137,257.96
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Solution
The fourth proportional to 74,629,243.68, 102,983,831.94 and 41,137,257.96 is: 56,766,922.07
Step by Step Solution
- Step 1: Write the proportion equation
74,629,243.68 : 102,983,831.94 = 41,137,257.96 : x - Step 2: Convert to fraction form
74,629,243.68/102,983,831.94 = 41,137,257.96/x - Step 3: Cross multiply
74,629,243.68x = 102,983,831.94 × 41,137,257.96 - Step 4: Simplify right side
74,629,243.68x = 4,236,472,460,225,067 - Step 5: Solve for x
x = 4,236,472,460,225,067/74,629,243.68 - Step 6: Final answer
x = 56,766,922.07
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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.