Finding the Fourth Proportional to 49,983,497.20, 74,975,245.80 and 29,828,105.20
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Solution
The fourth proportional to 49,983,497.20, 74,975,245.80 and 29,828,105.20 is: 44,742,157.80
Step by Step Solution
- Step 1: Write the proportion equation
49,983,497.20 : 74,975,245.80 = 29,828,105.20 : x - Step 2: Convert to fraction form
49,983,497.20/74,975,245.80 = 29,828,105.20/x - Step 3: Cross multiply
49,983,497.20x = 74,975,245.80 × 29,828,105.20 - Step 4: Simplify right side
49,983,497.20x = 2,236,369,519,118,258 - Step 5: Solve for x
x = 2,236,369,519,118,258/49,983,497.20 - Step 6: Final answer
x = 44,742,157.80
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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.