Finding the Fourth Proportional to 62,428,882.80, 93,643,324.20 and 61,153,424.40
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Solution
The fourth proportional to 62,428,882.80, 93,643,324.20 and 61,153,424.40 is: 91,730,136.60
Step by Step Solution
- Step 1: Write the proportion equation
62,428,882.80 : 93,643,324.20 = 61,153,424.40 : x - Step 2: Convert to fraction form
62,428,882.80/93,643,324.20 = 61,153,424.40/x - Step 3: Cross multiply
62,428,882.80x = 93,643,324.20 × 61,153,424.40 - Step 4: Simplify right side
62,428,882.80x = 5,726,609,947,029,391 - Step 5: Solve for x
x = 5,726,609,947,029,391/62,428,882.80 - Step 6: Final answer
x = 91,730,136.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.