Finding the Fourth Proportional to 212,067,745.92, 292,655,244.51 and 119,247,441.84
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Solution
The fourth proportional to 212,067,745.92, 292,655,244.51 and 119,247,441.84 is: 164,562,456.67
Step by Step Solution
- Step 1: Write the proportion equation
212,067,745.92 : 292,655,244.51 = 119,247,441.84 : x - Step 2: Convert to fraction form
212,067,745.92/292,655,244.51 = 119,247,441.84/x - Step 3: Cross multiply
212,067,745.92x = 292,655,244.51 × 119,247,441.84 - Step 4: Simplify right side
212,067,745.92x = 34,898,389,248,877,204 - Step 5: Solve for x
x = 34,898,389,248,877,204/212,067,745.92 - Step 6: Final answer
x = 164,562,456.67
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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.