Finding the Fourth Proportional to 87,795,340.92, 121,157,576.01 and 48,103,040.52
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Solution
The fourth proportional to 87,795,340.92, 121,157,576.01 and 48,103,040.52 is: 66,382,198.95
Step by Step Solution
- Step 1: Write the proportion equation
87,795,340.92 : 121,157,576.01 = 48,103,040.52 : x - Step 2: Convert to fraction form
87,795,340.92/121,157,576.01 = 48,103,040.52/x - Step 3: Cross multiply
87,795,340.92x = 121,157,576.01 × 48,103,040.52 - Step 4: Simplify right side
87,795,340.92x = 5,828,047,788,114,011 - Step 5: Solve for x
x = 5,828,047,788,114,011/87,795,340.92 - Step 6: Final answer
x = 66,382,198.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.