Finding the Fourth Proportional to 49,837,909.80, 74,756,864.70 and 13,446,229.80
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Solution
The fourth proportional to 49,837,909.80, 74,756,864.70 and 13,446,229.80 is: 20,169,344.70
Step by Step Solution
- Step 1: Write the proportion equation
49,837,909.80 : 74,756,864.70 = 13,446,229.80 : x - Step 2: Convert to fraction form
49,837,909.80/74,756,864.70 = 13,446,229.80/x - Step 3: Cross multiply
49,837,909.80x = 74,756,864.70 × 13,446,229.80 - Step 4: Simplify right side
49,837,909.80x = 1,005,197,981,883,708.12 - Step 5: Solve for x
x = 1,005,197,981,883,708.12/49,837,909.80 - Step 6: Final answer
x = 20,169,344.70
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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.