Finding the Fourth Proportional to 221,423,629.80, 332,135,444.70 and 57,661,069.80
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Solution
The fourth proportional to 221,423,629.80, 332,135,444.70 and 57,661,069.80 is: 86,491,604.70
Step by Step Solution
- Step 1: Write the proportion equation
221,423,629.80 : 332,135,444.70 = 57,661,069.80 : x - Step 2: Convert to fraction form
221,423,629.80/332,135,444.70 = 57,661,069.80/x - Step 3: Cross multiply
221,423,629.80x = 332,135,444.70 × 57,661,069.80 - Step 4: Simplify right side
221,423,629.80x = 19,151,285,059,900,740 - Step 5: Solve for x
x = 19,151,285,059,900,740/221,423,629.80 - Step 6: Final answer
x = 86,491,604.70
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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.