Finding the Fourth Proportional to 83,597,544.76, 115,403,219.30 and 50,122,865.03
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Solution
The fourth proportional to 83,597,544.76, 115,403,219.30 and 50,122,865.03 is: 69,192,701.79
Step by Step Solution
- Step 1: Write the proportion equation
83,597,544.76 : 115,403,219.30 = 50,122,865.03 : x - Step 2: Convert to fraction form
83,597,544.76/115,403,219.30 = 50,122,865.03/x - Step 3: Cross multiply
83,597,544.76x = 115,403,219.30 × 50,122,865.03 - Step 4: Simplify right side
83,597,544.76x = 5,784,339,984,750,777 - Step 5: Solve for x
x = 5,784,339,984,750,777/83,597,544.76 - Step 6: Final answer
x = 69,192,701.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.