Finding the Fourth Proportional to 45,442,605.20, 68,163,907.80 and 14,737,125.20
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Solution
The fourth proportional to 45,442,605.20, 68,163,907.80 and 14,737,125.20 is: 22,105,687.80
Step by Step Solution
- Step 1: Write the proportion equation
45,442,605.20 : 68,163,907.80 = 14,737,125.20 : x - Step 2: Convert to fraction form
45,442,605.20/68,163,907.80 = 14,737,125.20/x - Step 3: Cross multiply
45,442,605.20x = 68,163,907.80 × 14,737,125.20 - Step 4: Simplify right side
45,442,605.20x = 1,004,540,043,369,856.50 - Step 5: Solve for x
x = 1,004,540,043,369,856.50/45,442,605.20 - Step 6: Final answer
x = 22,105,687.80
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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.