Finding the Fourth Proportional to 48,848,920.68, 73,273,633.74 and 28,639,990.92
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Solution
The fourth proportional to 48,848,920.68, 73,273,633.74 and 28,639,990.92 is: 42,960,134.55
Step by Step Solution
- Step 1: Write the proportion equation
48,848,920.68 : 73,273,633.74 = 28,639,990.92 : x - Step 2: Convert to fraction form
48,848,920.68/73,273,633.74 = 28,639,990.92/x - Step 3: Cross multiply
48,848,920.68x = 73,273,633.74 × 28,639,990.92 - Step 4: Simplify right side
48,848,920.68x = 2,098,556,204,989,005.50 - Step 5: Solve for x
x = 2,098,556,204,989,005.50/48,848,920.68 - Step 6: Final answer
x = 42,960,134.55
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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.