Finding the Fourth Proportional to 239,230,967.92, 330,138,684.84 and 129,222,682
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Solution
The fourth proportional to 239,230,967.92, 330,138,684.84 and 129,222,682 is: 178,327,273.67
Step by Step Solution
- Step 1: Write the proportion equation
239,230,967.92 : 330,138,684.84 = 129,222,682 : x - Step 2: Convert to fraction form
239,230,967.92/330,138,684.84 = 129,222,682/x - Step 3: Cross multiply
239,230,967.92x = 330,138,684.84 × 129,222,682 - Step 4: Simplify right side
239,230,967.92x = 42,661,406,286,977,536 - Step 5: Solve for x
x = 42,661,406,286,977,536/239,230,967.92 - Step 6: Final answer
x = 178,327,273.67
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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.