Finding the Fourth Proportional to 218,313,473.10, 327,470,209.65 and 103,522,217.10
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Solution
The fourth proportional to 218,313,473.10, 327,470,209.65 and 103,522,217.10 is: 155,283,325.65
Step by Step Solution
- Step 1: Write the proportion equation
218,313,473.10 : 327,470,209.65 = 103,522,217.10 : x - Step 2: Convert to fraction form
218,313,473.10/327,470,209.65 = 103,522,217.10/x - Step 3: Cross multiply
218,313,473.10x = 327,470,209.65 × 103,522,217.10 - Step 4: Simplify right side
218,313,473.10x = 33,900,442,137,169,812 - Step 5: Solve for x
x = 33,900,442,137,169,812/218,313,473.10 - Step 6: Final answer
x = 155,283,325.65
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1.5x scale
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.