Finding the Fourth Proportional to 129,130,469.81, 193,695,845.00 and 32,086,177.75
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Solution
The fourth proportional to 129,130,469.81, 193,695,845.00 and 32,086,177.75 is: 48,129,301.49
Step by Step Solution
- Step 1: Write the proportion equation
129,130,469.81 : 193,695,845.00 = 32,086,177.75 : x - Step 2: Convert to fraction form
129,130,469.81/193,695,845.00 = 32,086,177.75/x - Step 3: Cross multiply
129,130,469.81x = 193,695,845.00 × 32,086,177.75 - Step 4: Simplify right side
129,130,469.81x = 6,214,959,312,458,624 - Step 5: Solve for x
x = 6,214,959,312,458,624/129,130,469.81 - Step 6: Final answer
x = 48,129,301.49
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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.