Finding the Fourth Proportional to 220,198,422.20, 330,287,135.70 and 74,617,705.40
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Solution
The fourth proportional to 220,198,422.20, 330,287,135.70 and 74,617,705.40 is: 111,923,000.82
Step by Step Solution
- Step 1: Write the proportion equation
220,198,422.20 : 330,287,135.70 = 74,617,705.40 : x - Step 2: Convert to fraction form
220,198,422.20/330,287,135.70 = 74,617,705.40/x - Step 3: Cross multiply
220,198,422.20x = 330,287,135.70 × 74,617,705.40 - Step 4: Simplify right side
220,198,422.20x = 24,645,268,189,072,424 - Step 5: Solve for x
x = 24,645,268,189,072,424/220,198,422.20 - Step 6: Final answer
x = 111,923,000.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.