Finding the Fourth Proportional to 219,208,791.92, 302,508,107.33 and 131,102,775.99
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Solution
The fourth proportional to 219,208,791.92, 302,508,107.33 and 131,102,775.99 is: 180,921,815.60
Step by Step Solution
- Step 1: Write the proportion equation
219,208,791.92 : 302,508,107.33 = 131,102,775.99 : x - Step 2: Convert to fraction form
219,208,791.92/302,508,107.33 = 131,102,775.99/x - Step 3: Cross multiply
219,208,791.92x = 302,508,107.33 × 131,102,775.99 - Step 4: Simplify right side
219,208,791.92x = 39,659,652,629,788,352 - Step 5: Solve for x
x = 39,659,652,629,788,352/219,208,791.92 - Step 6: Final answer
x = 180,921,815.60
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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.