Finding the Fourth Proportional to 103,674,391.20, 155,511,586.80 and 62,992,582.65
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Solution
The fourth proportional to 103,674,391.20, 155,511,586.80 and 62,992,582.65 is: 94,488,873.98
Step by Step Solution
- Step 1: Write the proportion equation
103,674,391.20 : 155,511,586.80 = 62,992,582.65 : x - Step 2: Convert to fraction form
103,674,391.20/155,511,586.80 = 62,992,582.65/x - Step 3: Cross multiply
103,674,391.20x = 155,511,586.80 × 62,992,582.65 - Step 4: Simplify right side
103,674,391.20x = 9,796,076,484,531,650 - Step 5: Solve for x
x = 9,796,076,484,531,650/103,674,391.20 - Step 6: Final answer
x = 94,488,873.98
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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.