Finding the Fourth Proportional to 203,996,071.68, 306,084,255.64 and 106,928,569.84
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Solution
The fourth proportional to 203,996,071.68, 306,084,255.64 and 106,928,569.84 is: 160,440,107.68
Step by Step Solution
- Step 1: Write the proportion equation
203,996,071.68 : 306,084,255.64 = 106,928,569.84 : x - Step 2: Convert to fraction form
203,996,071.68/306,084,255.64 = 106,928,569.84/x - Step 3: Cross multiply
203,996,071.68x = 306,084,255.64 × 106,928,569.84 - Step 4: Simplify right side
203,996,071.68x = 32,729,151,706,126,152 - Step 5: Solve for x
x = 32,729,151,706,126,152/203,996,071.68 - Step 6: Final answer
x = 160,440,107.68
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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.