Finding the Fourth Proportional to 213,085,446.94, 294,107,055.60 and 125,007,739.84
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Solution
The fourth proportional to 213,085,446.94, 294,107,055.60 and 125,007,739.84 is: 172,539,508.54
Step by Step Solution
- Step 1: Write the proportion equation
213,085,446.94 : 294,107,055.60 = 125,007,739.84 : x - Step 2: Convert to fraction form
213,085,446.94/294,107,055.60 = 125,007,739.84/x - Step 3: Cross multiply
213,085,446.94x = 294,107,055.60 × 125,007,739.84 - Step 4: Simplify right side
213,085,446.94x = 36,765,658,291,553,216 - Step 5: Solve for x
x = 36,765,658,291,553,216/213,085,446.94 - Step 6: Final answer
x = 172,539,508.54
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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.