Finding the Fourth Proportional to 43,311,469.80, 64,967,204.70 and 14,548,045.80
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Solution
The fourth proportional to 43,311,469.80, 64,967,204.70 and 14,548,045.80 is: 21,822,068.70
Step by Step Solution
- Step 1: Write the proportion equation
43,311,469.80 : 64,967,204.70 = 14,548,045.80 : x - Step 2: Convert to fraction form
43,311,469.80/64,967,204.70 = 14,548,045.80/x - Step 3: Cross multiply
43,311,469.80x = 64,967,204.70 × 14,548,045.80 - Step 4: Simplify right side
43,311,469.80x = 945,145,869,473,575.38 - Step 5: Solve for x
x = 945,145,869,473,575.38/43,311,469.80 - Step 6: Final answer
x = 21,822,068.70
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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.