Finding the Fourth Proportional to 83,034,136.80, 124,551,205.20 and 44,292,087.90
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Solution
The fourth proportional to 83,034,136.80, 124,551,205.20 and 44,292,087.90 is: 66,438,131.85
Step by Step Solution
- Step 1: Write the proportion equation
83,034,136.80 : 124,551,205.20 = 44,292,087.90 : x - Step 2: Convert to fraction form
83,034,136.80/124,551,205.20 = 44,292,087.90/x - Step 3: Cross multiply
83,034,136.80x = 124,551,205.20 × 44,292,087.90 - Step 4: Simplify right side
83,034,136.80x = 5,516,632,928,769,337 - Step 5: Solve for x
x = 5,516,632,928,769,337/83,034,136.80 - Step 6: Final answer
x = 66,438,131.85
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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.