Finding the Fourth Proportional to 168,109,286.10, 252,163,929.15 and 149,402,562.90
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Solution
The fourth proportional to 168,109,286.10, 252,163,929.15 and 149,402,562.90 is: 224,103,844.35
Step by Step Solution
- Step 1: Write the proportion equation
168,109,286.10 : 252,163,929.15 = 149,402,562.90 : x - Step 2: Convert to fraction form
168,109,286.10/252,163,929.15 = 149,402,562.90/x - Step 3: Cross multiply
168,109,286.10x = 252,163,929.15 × 149,402,562.90 - Step 4: Simplify right side
168,109,286.10x = 37,673,937,285,944,024 - Step 5: Solve for x
x = 37,673,937,285,944,024/168,109,286.10 - Step 6: Final answer
x = 224,103,844.35
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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.