Finding the Fourth Proportional to 204,542,438.70, 282,266,695.71 and 111,722,918.70
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Solution
The fourth proportional to 204,542,438.70, 282,266,695.71 and 111,722,918.70 is: 154,176,606.56
Step by Step Solution
- Step 1: Write the proportion equation
204,542,438.70 : 282,266,695.71 = 111,722,918.70 : x - Step 2: Convert to fraction form
204,542,438.70/282,266,695.71 = 111,722,918.70/x - Step 3: Cross multiply
204,542,438.70x = 282,266,695.71 × 111,722,918.70 - Step 4: Simplify right side
204,542,438.70x = 31,535,659,096,525,968 - Step 5: Solve for x
x = 31,535,659,096,525,968/204,542,438.70 - Step 6: Final answer
x = 154,176,606.56
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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.