Finding the Fourth Proportional to 84,770,621.91, 116,950,072.96 and 48,983,415.75
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Solution
The fourth proportional to 84,770,621.91, 116,950,072.96 and 48,983,415.75 is: 67,577,822.56
Step by Step Solution
- Step 1: Write the proportion equation
84,770,621.91 : 116,950,072.96 = 48,983,415.75 : x - Step 2: Convert to fraction form
84,770,621.91/116,950,072.96 = 48,983,415.75/x - Step 3: Cross multiply
84,770,621.91x = 116,950,072.96 × 48,983,415.75 - Step 4: Simplify right side
84,770,621.91x = 5,728,614,045,792,513 - Step 5: Solve for x
x = 5,728,614,045,792,513/84,770,621.91 - Step 6: Final answer
x = 67,577,822.56
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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.