Finding the Fourth Proportional to 87,369,661.70, 131,138,473.35 and 44,287,511.30
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Solution
The fourth proportional to 87,369,661.70, 131,138,473.35 and 44,287,511.30 is: 66,473,836.65
Step by Step Solution
- Step 1: Write the proportion equation
87,369,661.70 : 131,138,473.35 = 44,287,511.30 : x - Step 2: Convert to fraction form
87,369,661.70/131,138,473.35 = 44,287,511.30/x - Step 3: Cross multiply
87,369,661.70x = 131,138,473.35 × 44,287,511.30 - Step 4: Simplify right side
87,369,661.70x = 5,807,796,620,352,873 - Step 5: Solve for x
x = 5,807,796,620,352,873/87,369,661.70 - Step 6: Final answer
x = 66,473,836.65
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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.