Finding the Fourth Proportional to 45,497,940.10, 68,246,910.15 and 30,192,439.30
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Solution
The fourth proportional to 45,497,940.10, 68,246,910.15 and 30,192,439.30 is: 45,288,658.95
Step by Step Solution
- Step 1: Write the proportion equation
45,497,940.10 : 68,246,910.15 = 30,192,439.30 : x - Step 2: Convert to fraction form
45,497,940.10/68,246,910.15 = 30,192,439.30/x - Step 3: Cross multiply
45,497,940.10x = 68,246,910.15 × 30,192,439.30 - Step 4: Simplify right side
45,497,940.10x = 2,060,540,692,116,429.25 - Step 5: Solve for x
x = 2,060,540,692,116,429.25/45,497,940.10 - Step 6: Final answer
x = 45,288,658.95
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1.5x scale
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.