Finding the Fourth Proportional to 55,147,069.80, 82,720,604.70 and 14,757,553.80
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Solution
The fourth proportional to 55,147,069.80, 82,720,604.70 and 14,757,553.80 is: 22,136,330.70
Step by Step Solution
- Step 1: Write the proportion equation
55,147,069.80 : 82,720,604.70 = 14,757,553.80 : x - Step 2: Convert to fraction form
55,147,069.80/82,720,604.70 = 14,757,553.80/x - Step 3: Cross multiply
55,147,069.80x = 82,720,604.70 × 14,757,553.80 - Step 4: Simplify right side
55,147,069.80x = 1,220,753,774,228,783 - Step 5: Solve for x
x = 1,220,753,774,228,783/55,147,069.80 - Step 6: Final answer
x = 22,136,330.70
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1.5x scale
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.