Finding the Fourth Proportional to 197,096,317.21, 271,994,680.10 and 108,996,242.57
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Solution
The fourth proportional to 197,096,317.21, 271,994,680.10 and 108,996,242.57 is: 150,415,789.34
Step by Step Solution
- Step 1: Write the proportion equation
197,096,317.21 : 271,994,680.10 = 108,996,242.57 : x - Step 2: Convert to fraction form
197,096,317.21/271,994,680.10 = 108,996,242.57/x - Step 3: Cross multiply
197,096,317.21x = 271,994,680.10 × 108,996,242.57 - Step 4: Simplify right side
197,096,317.21x = 29,646,398,129,248,000 - Step 5: Solve for x
x = 29,646,398,129,248,000/197,096,317.21 - Step 6: Final answer
x = 150,415,789.34
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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.