Finding the Fourth Proportional to 193,287,499.74, 266,736,793.14 and 106,367,371.74
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Solution
The fourth proportional to 193,287,499.74, 266,736,793.14 and 106,367,371.74 is: 146,786,996.94
Step by Step Solution
- Step 1: Write the proportion equation
193,287,499.74 : 266,736,793.14 = 106,367,371.74 : x - Step 2: Convert to fraction form
193,287,499.74/266,736,793.14 = 106,367,371.74/x - Step 3: Cross multiply
193,287,499.74x = 266,736,793.14 × 106,367,371.74 - Step 4: Simplify right side
193,287,499.74x = 28,372,091,632,657,860 - Step 5: Solve for x
x = 28,372,091,632,657,860/193,287,499.74 - Step 6: Final answer
x = 146,786,996.94
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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.