Finding the Fourth Proportional to 75,630,828.68, 113,474,834.40 and 29,605,591.07
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Solution
The fourth proportional to 75,630,828.68, 113,474,834.40 and 29,605,591.07 is: 44,419,578.66
Step by Step Solution
- Step 1: Write the proportion equation
75,630,828.68 : 113,474,834.40 = 29,605,591.07 : x - Step 2: Convert to fraction form
75,630,828.68/113,474,834.40 = 29,605,591.07/x - Step 3: Cross multiply
75,630,828.68x = 113,474,834.40 × 29,605,591.07 - Step 4: Simplify right side
75,630,828.68x = 3,359,489,543,982,369 - Step 5: Solve for x
x = 3,359,489,543,982,369/75,630,828.68 - Step 6: Final answer
x = 44,419,578.66
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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.