Finding the Fourth Proportional to 194,231,690.70, 291,347,536.05 and 97,485,809.10
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Solution
The fourth proportional to 194,231,690.70, 291,347,536.05 and 97,485,809.10 is: 146,228,713.65
Step by Step Solution
- Step 1: Write the proportion equation
194,231,690.70 : 291,347,536.05 = 97,485,809.10 : x - Step 2: Convert to fraction form
194,231,690.70/291,347,536.05 = 97,485,809.10/x - Step 3: Cross multiply
194,231,690.70x = 291,347,536.05 × 97,485,809.10 - Step 4: Simplify right side
194,231,690.70x = 28,402,250,281,125,668 - Step 5: Solve for x
x = 28,402,250,281,125,668/194,231,690.70 - Step 6: Final answer
x = 146,228,713.65
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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.