Finding the Fourth Proportional to 252,246,201.10, 378,369,301.65 and 148,508,917.90
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Solution
The fourth proportional to 252,246,201.10, 378,369,301.65 and 148,508,917.90 is: 222,763,376.85
Step by Step Solution
- Step 1: Write the proportion equation
252,246,201.10 : 378,369,301.65 = 148,508,917.90 : x - Step 2: Convert to fraction form
252,246,201.10/378,369,301.65 = 148,508,917.90/x - Step 3: Cross multiply
252,246,201.10x = 378,369,301.65 × 148,508,917.90 - Step 4: Simplify right side
252,246,201.10x = 56,191,215,554,620,184 - Step 5: Solve for x
x = 56,191,215,554,620,184/252,246,201.10 - Step 6: Final answer
x = 222,763,376.85
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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.