Finding the Fourth Proportional to 132,257,232.68, 198,386,482.77 and 40,141,770.44
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Solution
The fourth proportional to 132,257,232.68, 198,386,482.77 and 40,141,770.44 is: 60,212,848.01
Step by Step Solution
- Step 1: Write the proportion equation
132,257,232.68 : 198,386,482.77 = 40,141,770.44 : x - Step 2: Convert to fraction form
132,257,232.68/198,386,482.77 = 40,141,770.44/x - Step 3: Cross multiply
132,257,232.68x = 198,386,482.77 × 40,141,770.44 - Step 4: Simplify right side
132,257,232.68x = 7,963,584,648,760,424 - Step 5: Solve for x
x = 7,963,584,648,760,424/132,257,232.68 - Step 6: Final answer
x = 60,212,848.01
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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.