Finding the Fourth Proportional to 53,438,534.10, 80,094,815.55 and 39,959,615.70
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Solution
The fourth proportional to 53,438,534.10, 80,094,815.55 and 39,959,615.70 is: 59,892,324.95
Step by Step Solution
- Step 1: Write the proportion equation
53,438,534.10 : 80,094,815.55 = 39,959,615.70 : x - Step 2: Convert to fraction form
53,438,534.10/80,094,815.55 = 39,959,615.70/x - Step 3: Cross multiply
53,438,534.10x = 80,094,815.55 × 39,959,615.70 - Step 4: Simplify right side
53,438,534.10x = 3,200,558,048,940,384.50 - Step 5: Solve for x
x = 3,200,558,048,940,384.50/53,438,534.10 - Step 6: Final answer
x = 59,892,324.95
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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.