Finding the Fourth Proportional to 66,430,233.70, 99,645,350.55 and 60,371,806.30
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Solution
The fourth proportional to 66,430,233.70, 99,645,350.55 and 60,371,806.30 is: 90,557,709.45
Step by Step Solution
- Step 1: Write the proportion equation
66,430,233.70 : 99,645,350.55 = 60,371,806.30 : x - Step 2: Convert to fraction form
66,430,233.70/99,645,350.55 = 60,371,806.30/x - Step 3: Cross multiply
66,430,233.70x = 99,645,350.55 × 60,371,806.30 - Step 4: Simplify right side
66,430,233.70x = 6,015,769,802,100,198 - Step 5: Solve for x
x = 6,015,769,802,100,198/66,430,233.70 - Step 6: Final answer
x = 90,557,709.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.