Finding the Fourth Proportional to 57,717,786.84, 79,651,835.20 and 32,937,480.42
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Solution
The fourth proportional to 57,717,786.84, 79,651,835.20 and 32,937,480.42 is: 45,454,458.77
Step by Step Solution
- Step 1: Write the proportion equation
57,717,786.84 : 79,651,835.20 = 32,937,480.42 : x - Step 2: Convert to fraction form
57,717,786.84/79,651,835.20 = 32,937,480.42/x - Step 3: Cross multiply
57,717,786.84x = 79,651,835.20 × 32,937,480.42 - Step 4: Simplify right side
57,717,786.84x = 2,623,530,762,317,067 - Step 5: Solve for x
x = 2,623,530,762,317,067/57,717,786.84 - Step 6: Final answer
x = 45,454,458.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.