Finding the Fourth Proportional to 67,747,179.56, 93,491,107.79 and 38,378,512.12
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Solution
The fourth proportional to 67,747,179.56, 93,491,107.79 and 38,378,512.12 is: 52,962,346.72
Step by Step Solution
- Step 1: Write the proportion equation
67,747,179.56 : 93,491,107.79 = 38,378,512.12 : x - Step 2: Convert to fraction form
67,747,179.56/93,491,107.79 = 38,378,512.12/x - Step 3: Cross multiply
67,747,179.56x = 93,491,107.79 × 38,378,512.12 - Step 4: Simplify right side
67,747,179.56x = 3,588,049,613,499,632 - Step 5: Solve for x
x = 3,588,049,613,499,632/67,747,179.56 - Step 6: Final answer
x = 52,962,346.72
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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.