Finding the Fourth Proportional to 71,136,224.09, 98,137,929.20 and 47,622,336.62
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Solution
The fourth proportional to 71,136,224.09, 98,137,929.20 and 47,622,336.62 is: 65,698,700.75
Step by Step Solution
- Step 1: Write the proportion equation
71,136,224.09 : 98,137,929.20 = 47,622,336.62 : x - Step 2: Convert to fraction form
71,136,224.09/98,137,929.20 = 47,622,336.62/x - Step 3: Cross multiply
71,136,224.09x = 98,137,929.20 × 47,622,336.62 - Step 4: Simplify right side
71,136,224.09x = 4,673,557,498,823,326 - Step 5: Solve for x
x = 4,673,557,498,823,326/71,136,224.09 - Step 6: Final answer
x = 65,698,700.75
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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.