Finding the Fourth Proportional to 199,613,832.20, 298,972,850.70 and 163,782,024.20
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Solution
The fourth proportional to 199,613,832.20, 298,972,850.70 and 163,782,024.20 is: 245,305,538.84
Step by Step Solution
- Step 1: Write the proportion equation
199,613,832.20 : 298,972,850.70 = 163,782,024.20 : x - Step 2: Convert to fraction form
199,613,832.20/298,972,850.70 = 163,782,024.20/x - Step 3: Cross multiply
199,613,832.20x = 298,972,850.70 × 163,782,024.20 - Step 4: Simplify right side
199,613,832.20x = 48,966,378,668,490,384 - Step 5: Solve for x
x = 48,966,378,668,490,384/199,613,832.20 - Step 6: Final answer
x = 245,305,538.84
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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.