Finding the Fourth Proportional to 223,235,013.18, 308,081,571.09 and 133,930,318.08
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Solution
The fourth proportional to 223,235,013.18, 308,081,571.09 and 133,930,318.08 is: 184,834,189.87
Step by Step Solution
- Step 1: Write the proportion equation
223,235,013.18 : 308,081,571.09 = 133,930,318.08 : x - Step 2: Convert to fraction form
223,235,013.18/308,081,571.09 = 133,930,318.08/x - Step 3: Cross multiply
223,235,013.18x = 308,081,571.09 × 133,930,318.08 - Step 4: Simplify right side
223,235,013.18x = 41,261,462,810,669,832 - Step 5: Solve for x
x = 41,261,462,810,669,832/223,235,013.18 - Step 6: Final answer
x = 184,834,189.87
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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.