Finding the Fourth Proportional to 232,677,011.75, 321,094,197.98 and 128,256,826.87
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Solution
The fourth proportional to 232,677,011.75, 321,094,197.98 and 128,256,826.87 is: 176,994,377.95
Step by Step Solution
- Step 1: Write the proportion equation
232,677,011.75 : 321,094,197.98 = 128,256,826.87 : x - Step 2: Convert to fraction form
232,677,011.75/321,094,197.98 = 128,256,826.87/x - Step 3: Cross multiply
232,677,011.75x = 321,094,197.98 × 128,256,826.87 - Step 4: Simplify right side
232,677,011.75x = 41,182,522,957,361,024 - Step 5: Solve for x
x = 41,182,522,957,361,024/232,677,011.75 - Step 6: Final answer
x = 176,994,377.95
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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.