Finding the Fourth Proportional to 220,815,645.24, 304,777,518.30 and 137,246,889
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Solution
The fourth proportional to 220,815,645.24, 304,777,518.30 and 137,246,889 is: 189,432,982.33
Step by Step Solution
- Step 1: Write the proportion equation
220,815,645.24 : 304,777,518.30 = 137,246,889 : x - Step 2: Convert to fraction form
220,815,645.24/304,777,518.30 = 137,246,889/x - Step 3: Cross multiply
220,815,645.24x = 304,777,518.30 × 137,246,889 - Step 4: Simplify right side
220,815,645.24x = 41,829,766,223,815,568 - Step 5: Solve for x
x = 41,829,766,223,815,568/220,815,645.24 - Step 6: Final answer
x = 189,432,982.33
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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.