Finding the Fourth Proportional to 292,332,658.14, 438,519,163.06 and 85,072,785.60
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Solution
The fourth proportional to 292,332,658.14, 438,519,163.06 and 85,072,785.60 is: 127,615,049.85
Step by Step Solution
- Step 1: Write the proportion equation
292,332,658.14 : 438,519,163.06 = 85,072,785.60 : x - Step 2: Convert to fraction form
292,332,658.14/438,519,163.06 = 85,072,785.60/x - Step 3: Cross multiply
292,332,658.14x = 438,519,163.06 × 85,072,785.60 - Step 4: Simplify right side
292,332,658.14x = 37,306,046,740,494,816 - Step 5: Solve for x
x = 37,306,046,740,494,816/292,332,658.14 - Step 6: Final answer
x = 127,615,049.85
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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.