Finding the Fourth Proportional to 221,266,325.13, 305,339,525.88 and 122,144,945.09
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Solution
The fourth proportional to 221,266,325.13, 305,339,525.88 and 122,144,945.09 is: 168,555,606.46
Step by Step Solution
- Step 1: Write the proportion equation
221,266,325.13 : 305,339,525.88 = 122,144,945.09 : x - Step 2: Convert to fraction form
221,266,325.13/305,339,525.88 = 122,144,945.09/x - Step 3: Cross multiply
221,266,325.13x = 305,339,525.88 × 122,144,945.09 - Step 4: Simplify right side
221,266,325.13x = 37,295,679,620,433,272 - Step 5: Solve for x
x = 37,295,679,620,433,272/221,266,325.13 - Step 6: Final answer
x = 168,555,606.46
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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.