Finding the Fourth Proportional to 77,906,266.80, 107,491,332.60 and 50,371,062
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Solution
The fourth proportional to 77,906,266.80, 107,491,332.60 and 50,371,062 is: 69,499,576.88
Step by Step Solution
- Step 1: Write the proportion equation
77,906,266.80 : 107,491,332.60 = 50,371,062 : x - Step 2: Convert to fraction form
77,906,266.80/107,491,332.60 = 50,371,062/x - Step 3: Cross multiply
77,906,266.80x = 107,491,332.60 × 50,371,062 - Step 4: Simplify right side
77,906,266.80x = 5,414,452,578,857,221 - Step 5: Solve for x
x = 5,414,452,578,857,221/77,906,266.80 - Step 6: Final answer
x = 69,499,576.88
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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.