Finding the Fourth Proportional to 78,755,481.12, 108,682,583.99 and 43,473,305.91
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Solution
The fourth proportional to 78,755,481.12, 108,682,583.99 and 43,473,305.91 is: 59,993,173.22
Step by Step Solution
- Step 1: Write the proportion equation
78,755,481.12 : 108,682,583.99 = 43,473,305.91 : x - Step 2: Convert to fraction form
78,755,481.12/108,682,583.99 = 43,473,305.91/x - Step 3: Cross multiply
78,755,481.12x = 108,682,583.99 × 43,473,305.91 - Step 4: Simplify right side
78,755,481.12x = 4,724,791,220,886,538 - Step 5: Solve for x
x = 4,724,791,220,886,538/78,755,481.12 - Step 6: Final answer
x = 59,993,173.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.