Finding the Fourth Proportional to 85,278,883.24, 127,975,012.02 and 39,844,220.68
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Solution
The fourth proportional to 85,278,883.24, 127,975,012.02 and 39,844,220.68 is: 59,792,816.54
Step by Step Solution
- Step 1: Write the proportion equation
85,278,883.24 : 127,975,012.02 = 39,844,220.68 : x - Step 2: Convert to fraction form
85,278,883.24/127,975,012.02 = 39,844,220.68/x - Step 3: Cross multiply
85,278,883.24x = 127,975,012.02 × 39,844,220.68 - Step 4: Simplify right side
85,278,883.24x = 5,099,064,620,450,532 - Step 5: Solve for x
x = 5,099,064,620,450,532/85,278,883.24 - Step 6: Final answer
x = 59,792,816.54
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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.