Finding the Fourth Proportional to 204,751,381.55, 306,639,556.11 and 130,745,931.08
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Solution
The fourth proportional to 204,751,381.55, 306,639,556.11 and 130,745,931.08 is: 195,807,588.52
Step by Step Solution
- Step 1: Write the proportion equation
204,751,381.55 : 306,639,556.11 = 130,745,931.08 : x - Step 2: Convert to fraction form
204,751,381.55/306,639,556.11 = 130,745,931.08/x - Step 3: Cross multiply
204,751,381.55x = 306,639,556.11 × 130,745,931.08 - Step 4: Simplify right side
204,751,381.55x = 40,091,874,268,026,656 - Step 5: Solve for x
x = 40,091,874,268,026,656/204,751,381.55 - Step 6: Final answer
x = 195,807,588.52
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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.