Finding the Fourth Proportional to 205,106,586.93, 307,708,825.23 and 66,932,451.09
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Solution
The fourth proportional to 205,106,586.93, 307,708,825.23 and 66,932,451.09 is: 100,414,648.81
Step by Step Solution
- Step 1: Write the proportion equation
205,106,586.93 : 307,708,825.23 = 66,932,451.09 : x - Step 2: Convert to fraction form
205,106,586.93/307,708,825.23 = 66,932,451.09/x - Step 3: Cross multiply
205,106,586.93x = 307,708,825.23 × 66,932,451.09 - Step 4: Simplify right side
205,106,586.93x = 20,595,705,894,668,336 - Step 5: Solve for x
x = 20,595,705,894,668,336/205,106,586.93 - Step 6: Final answer
x = 100,414,648.81
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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.