Finding the Fourth Proportional to 213,428,598.96, 294,534,810.36 and 125,324,544.72
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Solution
The fourth proportional to 213,428,598.96, 294,534,810.36 and 125,324,544.72 is: 172,949,835.18
Step by Step Solution
- Step 1: Write the proportion equation
213,428,598.96 : 294,534,810.36 = 125,324,544.72 : x - Step 2: Convert to fraction form
213,428,598.96/294,534,810.36 = 125,324,544.72/x - Step 3: Cross multiply
213,428,598.96x = 294,534,810.36 × 125,324,544.72 - Step 4: Simplify right side
213,428,598.96x = 36,912,441,012,558,544 - Step 5: Solve for x
x = 36,912,441,012,558,544/213,428,598.96 - Step 6: Final answer
x = 172,949,835.18
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1.5x scale
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.