Finding the Fourth Proportional to 87,442,005.70, 131,163,008.55 and 26,857,731.70
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Solution
The fourth proportional to 87,442,005.70, 131,163,008.55 and 26,857,731.70 is: 40,286,597.55
Step by Step Solution
- Step 1: Write the proportion equation
87,442,005.70 : 131,163,008.55 = 26,857,731.70 : x - Step 2: Convert to fraction form
87,442,005.70/131,163,008.55 = 26,857,731.70/x - Step 3: Cross multiply
87,442,005.70x = 131,163,008.55 × 26,857,731.70 - Step 4: Simplify right side
87,442,005.70x = 3,522,740,892,600,706 - Step 5: Solve for x
x = 3,522,740,892,600,706/87,442,005.70 - Step 6: Final answer
x = 40,286,597.55
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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.