Finding the Fourth Proportional to 203,996,132.91, 306,084,347.51 and 106,928,631.09
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Solution
The fourth proportional to 203,996,132.91, 306,084,347.51 and 106,928,631.09 is: 160,440,199.58
Step by Step Solution
- Step 1: Write the proportion equation
203,996,132.91 : 306,084,347.51 = 106,928,631.09 : x - Step 2: Convert to fraction form
203,996,132.91/306,084,347.51 = 106,928,631.09/x - Step 3: Cross multiply
203,996,132.91x = 306,084,347.51 × 106,928,631.09 - Step 4: Simplify right side
203,996,132.91x = 32,729,180,276,785,508 - Step 5: Solve for x
x = 32,729,180,276,785,508/203,996,132.91 - Step 6: Final answer
x = 160,440,199.58
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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.