Finding the Fourth Proportional to 86,368,074.81, 129,573,366.62 and 60,858,906.81
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Solution
The fourth proportional to 86,368,074.81, 129,573,366.62 and 60,858,906.81 is: 91,303,337.04
Step by Step Solution
- Step 1: Write the proportion equation
86,368,074.81 : 129,573,366.62 = 60,858,906.81 : x - Step 2: Convert to fraction form
86,368,074.81/129,573,366.62 = 60,858,906.81/x - Step 3: Cross multiply
86,368,074.81x = 129,573,366.62 × 60,858,906.81 - Step 4: Simplify right side
86,368,074.81x = 7,885,693,443,880,250 - Step 5: Solve for x
x = 7,885,693,443,880,250/86,368,074.81 - Step 6: Final answer
x = 91,303,337.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.