Finding the Fourth Proportional to 91,177,130.40, 136,765,695.60 and 27,351,722.40
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Solution
The fourth proportional to 91,177,130.40, 136,765,695.60 and 27,351,722.40 is: 41,027,583.60
Step by Step Solution
- Step 1: Write the proportion equation
91,177,130.40 : 136,765,695.60 = 27,351,722.40 : x - Step 2: Convert to fraction form
91,177,130.40/136,765,695.60 = 27,351,722.40/x - Step 3: Cross multiply
91,177,130.40x = 136,765,695.60 × 27,351,722.40 - Step 4: Simplify right side
91,177,130.40x = 3,740,777,339,894,101 - Step 5: Solve for x
x = 3,740,777,339,894,101/91,177,130.40 - Step 6: Final answer
x = 41,027,583.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.