Finding the Fourth Proportional to 57,811,664.99, 79,785,143.35 and 31,711,227.39
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Solution
The fourth proportional to 57,811,664.99, 79,785,143.35 and 31,711,227.39 is: 43,764,261.47
Step by Step Solution
- Step 1: Write the proportion equation
57,811,664.99 : 79,785,143.35 = 31,711,227.39 : x - Step 2: Convert to fraction form
57,811,664.99/79,785,143.35 = 31,711,227.39/x - Step 3: Cross multiply
57,811,664.99x = 79,785,143.35 × 31,711,227.39 - Step 4: Simplify right side
57,811,664.99x = 2,530,084,823,036,318 - Step 5: Solve for x
x = 2,530,084,823,036,318/57,811,664.99 - Step 6: Final answer
x = 43,764,261.47
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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.