Finding the Fourth Proportional to 193,133,832.17, 266,520,993.23 and 106,213,704.17
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Solution
The fourth proportional to 193,133,832.17, 266,520,993.23 and 106,213,704.17 is: 146,572,879.60
Step by Step Solution
- Step 1: Write the proportion equation
193,133,832.17 : 266,520,993.23 = 106,213,704.17 : x - Step 2: Convert to fraction form
193,133,832.17/266,520,993.23 = 106,213,704.17/x - Step 3: Cross multiply
193,133,832.17x = 266,520,993.23 × 106,213,704.17 - Step 4: Simplify right side
193,133,832.17x = 28,308,181,928,958,724 - Step 5: Solve for x
x = 28,308,181,928,958,724/193,133,832.17 - Step 6: Final answer
x = 146,572,879.60
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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.