Finding the Fourth Proportional to 146,131,866.73, 201,660,370.49 and 79,149,158.38
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Solution
The fourth proportional to 146,131,866.73, 201,660,370.49 and 79,149,158.38 is: 109,224,968.93
Step by Step Solution
- Step 1: Write the proportion equation
146,131,866.73 : 201,660,370.49 = 79,149,158.38 : x - Step 2: Convert to fraction form
146,131,866.73/201,660,370.49 = 79,149,158.38/x - Step 3: Cross multiply
146,131,866.73x = 201,660,370.49 × 79,149,158.38 - Step 4: Simplify right side
146,131,866.73x = 15,961,248,602,576,210 - Step 5: Solve for x
x = 15,961,248,602,576,210/146,131,866.73 - Step 6: Final answer
x = 109,224,968.93
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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.