Finding the Fourth Proportional to 75,710,936.16, 113,520,918.42 and 29,597,882.58
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Solution
The fourth proportional to 75,710,936.16, 113,520,918.42 and 29,597,882.58 is: 44,379,041.97
Step by Step Solution
- Step 1: Write the proportion equation
75,710,936.16 : 113,520,918.42 = 29,597,882.58 : x - Step 2: Convert to fraction form
75,710,936.16/113,520,918.42 = 29,597,882.58/x - Step 3: Cross multiply
75,710,936.16x = 113,520,918.42 × 29,597,882.58 - Step 4: Simplify right side
75,710,936.16x = 3,359,978,813,768,919 - Step 5: Solve for x
x = 3,359,978,813,768,919/75,710,936.16 - Step 6: Final answer
x = 44,379,041.97
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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.