Finding the Fourth Proportional to 154,930,591.68, 232,178,382.24 and 122,439,660.48
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Solution
The fourth proportional to 154,930,591.68, 232,178,382.24 and 122,439,660.48 is: 183,487,599.09
Step by Step Solution
- Step 1: Write the proportion equation
154,930,591.68 : 232,178,382.24 = 122,439,660.48 : x - Step 2: Convert to fraction form
154,930,591.68/232,178,382.24 = 122,439,660.48/x - Step 3: Cross multiply
154,930,591.68x = 232,178,382.24 × 122,439,660.48 - Step 4: Simplify right side
154,930,591.68x = 28,427,842,292,261,264 - Step 5: Solve for x
x = 28,427,842,292,261,264/154,930,591.68 - Step 6: Final answer
x = 183,487,599.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.