Finding the Fourth Proportional to 193,287,474.20, 266,736,757.94 and 106,367,346.20
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Solution
The fourth proportional to 193,287,474.20, 266,736,757.94 and 106,367,346.20 is: 146,786,961.71
Step by Step Solution
- Step 1: Write the proportion equation
193,287,474.20 : 266,736,757.94 = 106,367,346.20 : x - Step 2: Convert to fraction form
193,287,474.20/266,736,757.94 = 106,367,346.20/x - Step 3: Cross multiply
193,287,474.20x = 266,736,757.94 × 106,367,346.20 - Step 4: Simplify right side
193,287,474.20x = 28,372,081,074,204,056 - Step 5: Solve for x
x = 28,372,081,074,204,056/193,287,474.20 - Step 6: Final answer
x = 146,786,961.71
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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.