Finding the Fourth Proportional to 120,063,722.99, 180,106,218.77 and 33,802,877.07
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Solution
The fourth proportional to 120,063,722.99, 180,106,218.77 and 33,802,877.07 is: 50,707,309.59
Step by Step Solution
- Step 1: Write the proportion equation
120,063,722.99 : 180,106,218.77 = 33,802,877.07 : x - Step 2: Convert to fraction form
120,063,722.99/180,106,218.77 = 33,802,877.07/x - Step 3: Cross multiply
120,063,722.99x = 180,106,218.77 × 33,802,877.07 - Step 4: Simplify right side
120,063,722.99x = 6,088,108,372,455,822 - Step 5: Solve for x
x = 6,088,108,372,455,822/120,063,722.99 - Step 6: Final answer
x = 50,707,309.59
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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.