Finding the Fourth Proportional to 57,574,257.43, 79,452,282.36 and 31,468,760.14
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Solution
The fourth proportional to 57,574,257.43, 79,452,282.36 and 31,468,760.14 is: 43,426,783.56
Step by Step Solution
- Step 1: Write the proportion equation
57,574,257.43 : 79,452,282.36 = 31,468,760.14 : x - Step 2: Convert to fraction form
57,574,257.43/79,452,282.36 = 31,468,760.14/x - Step 3: Cross multiply
57,574,257.43x = 79,452,282.36 × 31,468,760.14 - Step 4: Simplify right side
57,574,257.43x = 2,500,264,816,162,393 - Step 5: Solve for x
x = 2,500,264,816,162,393/57,574,257.43 - Step 6: Final answer
x = 43,426,783.56
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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.