Finding the Fourth Proportional to 49,817,680.80, 74,726,521.20 and 44,148,976.80
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Solution
The fourth proportional to 49,817,680.80, 74,726,521.20 and 44,148,976.80 is: 66,223,465.20
Step by Step Solution
- Step 1: Write the proportion equation
49,817,680.80 : 74,726,521.20 = 44,148,976.80 : x - Step 2: Convert to fraction form
49,817,680.80/74,726,521.20 = 44,148,976.80/x - Step 3: Cross multiply
49,817,680.80x = 74,726,521.20 × 44,148,976.80 - Step 4: Simplify right side
49,817,680.80x = 3,299,099,450,803,508 - Step 5: Solve for x
x = 3,299,099,450,803,508/49,817,680.80 - Step 6: Final answer
x = 66,223,465.20
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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.