Finding the Fourth Proportional to 205,106,583.26, 307,708,819.73 and 66,932,447.43
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Solution
The fourth proportional to 205,106,583.26, 307,708,819.73 and 66,932,447.43 is: 100,414,643.32
Step by Step Solution
- Step 1: Write the proportion equation
205,106,583.26 : 307,708,819.73 = 66,932,447.43 : x - Step 2: Convert to fraction form
205,106,583.26/307,708,819.73 = 66,932,447.43/x - Step 3: Cross multiply
205,106,583.26x = 307,708,819.73 × 66,932,447.43 - Step 4: Simplify right side
205,106,583.26x = 20,595,704,400,331,028 - Step 5: Solve for x
x = 20,595,704,400,331,028/205,106,583.26 - Step 6: Final answer
x = 100,414,643.32
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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.