Finding the Fourth Proportional to 68,986,791.79, 95,177,731.52 and 44,220,635.17
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Solution
The fourth proportional to 68,986,791.79, 95,177,731.52 and 44,220,635.17 is: 61,009,066.12
Step by Step Solution
- Step 1: Write the proportion equation
68,986,791.79 : 95,177,731.52 = 44,220,635.17 : x - Step 2: Convert to fraction form
68,986,791.79/95,177,731.52 = 44,220,635.17/x - Step 3: Cross multiply
68,986,791.79x = 95,177,731.52 × 44,220,635.17 - Step 4: Simplify right side
68,986,791.79x = 4,208,819,741,726,736 - Step 5: Solve for x
x = 4,208,819,741,726,736/68,986,791.79 - Step 6: Final answer
x = 61,009,066.12
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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.