Finding the Fourth Proportional to 209,021,278.74, 288,433,024.92 and 116,196,134.10
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Solution
The fourth proportional to 209,021,278.74, 288,433,024.92 and 116,196,134.10 is: 160,341,581.70
Step by Step Solution
- Step 1: Write the proportion equation
209,021,278.74 : 288,433,024.92 = 116,196,134.10 : x - Step 2: Convert to fraction form
209,021,278.74/288,433,024.92 = 116,196,134.10/x - Step 3: Cross multiply
209,021,278.74x = 288,433,024.92 × 116,196,134.10 - Step 4: Simplify right side
209,021,278.74x = 33,514,802,442,472,960 - Step 5: Solve for x
x = 33,514,802,442,472,960/209,021,278.74 - Step 6: Final answer
x = 160,341,581.70
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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.