Finding the Fourth Proportional to 83,036,563.20, 124,554,844.80 and 39,895,363.80
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Solution
The fourth proportional to 83,036,563.20, 124,554,844.80 and 39,895,363.80 is: 59,843,045.70
Step by Step Solution
- Step 1: Write the proportion equation
83,036,563.20 : 124,554,844.80 = 39,895,363.80 : x - Step 2: Convert to fraction form
83,036,563.20/124,554,844.80 = 39,895,363.80/x - Step 3: Cross multiply
83,036,563.20x = 124,554,844.80 × 39,895,363.80 - Step 4: Simplify right side
83,036,563.20x = 4,969,160,846,348,538 - Step 5: Solve for x
x = 4,969,160,846,348,538/83,036,563.20 - Step 6: Final answer
x = 59,843,045.70
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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.