Finding the Fourth Proportional to 85,361,930.75, 117,799,470.20 and 46,730,762.75
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Solution
The fourth proportional to 85,361,930.75, 117,799,470.20 and 46,730,762.75 is: 64,488,455.75
Step by Step Solution
- Step 1: Write the proportion equation
85,361,930.75 : 117,799,470.20 = 46,730,762.75 : x - Step 2: Convert to fraction form
85,361,930.75/117,799,470.20 = 46,730,762.75/x - Step 3: Cross multiply
85,361,930.75x = 117,799,470.20 × 46,730,762.75 - Step 4: Simplify right side
85,361,930.75x = 5,504,859,093,758,241 - Step 5: Solve for x
x = 5,504,859,093,758,241/85,361,930.75 - Step 6: Final answer
x = 64,488,455.75
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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.