Finding the Fourth Proportional to 232,677,025.29, 321,094,216.58 and 128,256,840.41
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Solution
The fourth proportional to 232,677,025.29, 321,094,216.58 and 128,256,840.41 is: 176,994,396.58
Step by Step Solution
- Step 1: Write the proportion equation
232,677,025.29 : 321,094,216.58 = 128,256,840.41 : x - Step 2: Convert to fraction form
232,677,025.29/321,094,216.58 = 128,256,840.41/x - Step 3: Cross multiply
232,677,025.29x = 321,094,216.58 × 128,256,840.41 - Step 4: Simplify right side
232,677,025.29x = 41,182,529,690,228,280 - Step 5: Solve for x
x = 41,182,529,690,228,280/232,677,025.29 - Step 6: Final answer
x = 176,994,396.58
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1.5x scale
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.