Finding the Fourth Proportional to 84,716,121.70, 127,074,182.55 and 84,716,121.70
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Solution
The fourth proportional to 84,716,121.70, 127,074,182.55 and 84,716,121.70 is: 127,074,182.55
Step by Step Solution
- Step 1: Write the proportion equation
84,716,121.70 : 127,074,182.55 = 84,716,121.70 : x - Step 2: Convert to fraction form
84,716,121.70/127,074,182.55 = 84,716,121.70/x - Step 3: Cross multiply
84,716,121.70x = 127,074,182.55 × 84,716,121.70 - Step 4: Simplify right side
84,716,121.70x = 10,765,231,913,833,816 - Step 5: Solve for x
x = 10,765,231,913,833,816/84,716,121.70 - Step 6: Final answer
x = 127,074,182.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.