Finding the Fourth Proportional to 76,665,951.36, 105,808,290.48 and 43,634,232
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Solution
The fourth proportional to 76,665,951.36, 105,808,290.48 and 43,634,232 is: 60,220,520.48
Step by Step Solution
- Step 1: Write the proportion equation
76,665,951.36 : 105,808,290.48 = 43,634,232 : x - Step 2: Convert to fraction form
76,665,951.36/105,808,290.48 = 43,634,232/x - Step 3: Cross multiply
76,665,951.36x = 105,808,290.48 × 43,634,232 - Step 4: Simplify right side
76,665,951.36x = 4,616,863,494,327,712 - Step 5: Solve for x
x = 4,616,863,494,327,712/76,665,951.36 - Step 6: Final answer
x = 60,220,520.48
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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.