Finding the Fourth Proportional to 75,191,288.71, 112,765,052.60 and 29,122,882.76
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Solution
The fourth proportional to 75,191,288.71, 112,765,052.60 and 29,122,882.76 is: 43,675,849.45
Step by Step Solution
- Step 1: Write the proportion equation
75,191,288.71 : 112,765,052.60 = 29,122,882.76 : x - Step 2: Convert to fraction form
75,191,288.71/112,765,052.60 = 29,122,882.76/x - Step 3: Cross multiply
75,191,288.71x = 112,765,052.60 × 29,122,882.76 - Step 4: Simplify right side
75,191,288.71x = 3,284,043,405,585,593.50 - Step 5: Solve for x
x = 3,284,043,405,585,593.50/75,191,288.71 - Step 6: Final answer
x = 43,675,849.45
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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.