Finding the Fourth Proportional to 72,593,369.01, 100,177,582.35 and 39,553,891.62
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Solution
The fourth proportional to 72,593,369.01, 100,177,582.35 and 39,553,891.62 is: 54,583,680.15
Step by Step Solution
- Step 1: Write the proportion equation
72,593,369.01 : 100,177,582.35 = 39,553,891.62 : x - Step 2: Convert to fraction form
72,593,369.01/100,177,582.35 = 39,553,891.62/x - Step 3: Cross multiply
72,593,369.01x = 100,177,582.35 × 39,553,891.62 - Step 4: Simplify right side
72,593,369.01x = 3,962,413,235,025,524.50 - Step 5: Solve for x
x = 3,962,413,235,025,524.50/72,593,369.01 - Step 6: Final answer
x = 54,583,680.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.