Finding the Fourth Proportional to 48,789,719.10, 67,318,521.12 and 29,203,165.80
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Solution
The fourth proportional to 48,789,719.10, 67,318,521.12 and 29,203,165.80 is: 40,293,610.42
Step by Step Solution
- Step 1: Write the proportion equation
48,789,719.10 : 67,318,521.12 = 29,203,165.80 : x - Step 2: Convert to fraction form
48,789,719.10/67,318,521.12 = 29,203,165.80/x - Step 3: Cross multiply
48,789,719.10x = 67,318,521.12 × 29,203,165.80 - Step 4: Simplify right side
48,789,719.10x = 1,965,913,933,678,162 - Step 5: Solve for x
x = 1,965,913,933,678,162/48,789,719.10 - Step 6: Final answer
x = 40,293,610.42
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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.