Finding the Fourth Proportional to 66,879,762.66, 92,294,399.38 and 37,512,664.70
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Solution
The fourth proportional to 66,879,762.66, 92,294,399.38 and 37,512,664.70 is: 51,767,660.65
Step by Step Solution
- Step 1: Write the proportion equation
66,879,762.66 : 92,294,399.38 = 37,512,664.70 : x - Step 2: Convert to fraction form
66,879,762.66/92,294,399.38 = 37,512,664.70/x - Step 3: Cross multiply
66,879,762.66x = 92,294,399.38 × 37,512,664.70 - Step 4: Simplify right side
66,879,762.66x = 3,462,208,857,629,828 - Step 5: Solve for x
x = 3,462,208,857,629,828/66,879,762.66 - Step 6: Final answer
x = 51,767,660.65
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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.