Finding the Fourth Proportional to 202,214,731.68, 279,055,713.60 and 109,395,218.16
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Solution
The fourth proportional to 202,214,731.68, 279,055,713.60 and 109,395,218.16 is: 150,965,067.75
Step by Step Solution
- Step 1: Write the proportion equation
202,214,731.68 : 279,055,713.60 = 109,395,218.16 : x - Step 2: Convert to fraction form
202,214,731.68/279,055,713.60 = 109,395,218.16/x - Step 3: Cross multiply
202,214,731.68x = 279,055,713.60 × 109,395,218.16 - Step 4: Simplify right side
202,214,731.68x = 30,527,360,668,066,480 - Step 5: Solve for x
x = 30,527,360,668,066,480/202,214,731.68 - Step 6: Final answer
x = 150,965,067.75
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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.