Finding the Fourth Proportional to 55,128,813.49, 82,744,320.03 and 27,854,275.60
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Solution
The fourth proportional to 55,128,813.49, 82,744,320.03 and 27,854,275.60 is: 41,807,231.98
Step by Step Solution
- Step 1: Write the proportion equation
55,128,813.49 : 82,744,320.03 = 27,854,275.60 : x - Step 2: Convert to fraction form
55,128,813.49/82,744,320.03 = 27,854,275.60/x - Step 3: Cross multiply
55,128,813.49x = 82,744,320.03 × 27,854,275.60 - Step 4: Simplify right side
55,128,813.49x = 2,304,783,094,450,220.50 - Step 5: Solve for x
x = 2,304,783,094,450,220.50/55,128,813.49 - Step 6: Final answer
x = 41,807,231.98
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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.