Finding the Fourth Proportional to 353,129,961.70, 529,351,322.28 and 168,849,635.92
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Solution
The fourth proportional to 353,129,961.70, 529,351,322.28 and 168,849,635.92 is: 253,110,151.32
Step by Step Solution
- Step 1: Write the proportion equation
353,129,961.70 : 529,351,322.28 = 168,849,635.92 : x - Step 2: Convert to fraction form
353,129,961.70/529,351,322.28 = 168,849,635.92/x - Step 3: Cross multiply
353,129,961.70x = 529,351,322.28 × 168,849,635.92 - Step 4: Simplify right side
353,129,961.70x = 89,380,778,040,748,576 - Step 5: Solve for x
x = 89,380,778,040,748,576/353,129,961.70 - Step 6: Final answer
x = 253,110,151.32
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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.