Finding the Fourth Proportional to 205,075,790.97, 307,627,401.07 and 72,112,761.97
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Solution
The fourth proportional to 205,075,790.97, 307,627,401.07 and 72,112,761.97 is: 108,173,965.56
Step by Step Solution
- Step 1: Write the proportion equation
205,075,790.97 : 307,627,401.07 = 72,112,761.97 : x - Step 2: Convert to fraction form
205,075,790.97/307,627,401.07 = 72,112,761.97/x - Step 3: Cross multiply
205,075,790.97x = 307,627,401.07 × 72,112,761.97 - Step 4: Simplify right side
205,075,790.97x = 22,183,861,548,450,068 - Step 5: Solve for x
x = 22,183,861,548,450,068/205,075,790.97 - Step 6: Final answer
x = 108,173,965.56
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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.