Finding the Fourth Proportional to 42,552,163.20, 63,786,772.80 and 24,337,660.80
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Solution
The fourth proportional to 42,552,163.20, 63,786,772.80 and 24,337,660.80 is: 36,482,771.34
Step by Step Solution
- Step 1: Write the proportion equation
42,552,163.20 : 63,786,772.80 = 24,337,660.80 : x - Step 2: Convert to fraction form
42,552,163.20/63,786,772.80 = 24,337,660.80/x - Step 3: Cross multiply
42,552,163.20x = 63,786,772.80 × 24,337,660.80 - Step 4: Simplify right side
42,552,163.20x = 1,552,420,839,933,066.25 - Step 5: Solve for x
x = 1,552,420,839,933,066.25/42,552,163.20 - Step 6: Final answer
x = 36,482,771.34
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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.