Finding the Fourth Proportional to 204,427,324.40, 306,640,986.60 and 122,797,986.80
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Solution
The fourth proportional to 204,427,324.40, 306,640,986.60 and 122,797,986.80 is: 184,196,980.20
Step by Step Solution
- Step 1: Write the proportion equation
204,427,324.40 : 306,640,986.60 = 122,797,986.80 : x - Step 2: Convert to fraction form
204,427,324.40/306,640,986.60 = 122,797,986.80/x - Step 3: Cross multiply
204,427,324.40x = 306,640,986.60 × 122,797,986.80 - Step 4: Simplify right side
204,427,324.40x = 37,654,895,824,845,776 - Step 5: Solve for x
x = 37,654,895,824,845,776/204,427,324.40 - Step 6: Final answer
x = 184,196,980.20
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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.