Finding the Fourth Proportional to 36,048,278.06, 49,729,948.35 and 31,922,513.90
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Solution
The fourth proportional to 36,048,278.06, 49,729,948.35 and 31,922,513.90 is: 44,038,302.32
Step by Step Solution
- Step 1: Write the proportion equation
36,048,278.06 : 49,729,948.35 = 31,922,513.90 : x - Step 2: Convert to fraction form
36,048,278.06/49,729,948.35 = 31,922,513.90/x - Step 3: Cross multiply
36,048,278.06x = 49,729,948.35 × 31,922,513.90 - Step 4: Simplify right side
36,048,278.06x = 1,587,504,967,449,157 - Step 5: Solve for x
x = 1,587,504,967,449,157/36,048,278.06 - Step 6: Final answer
x = 44,038,302.32
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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.