Finding the Fourth Proportional to 132,943,596.84, 183,492,774.90 and 77,957,168.04
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Solution
The fourth proportional to 132,943,596.84, 183,492,774.90 and 77,957,168.04 is: 107,598,842.12
Step by Step Solution
- Step 1: Write the proportion equation
132,943,596.84 : 183,492,774.90 = 77,957,168.04 : x - Step 2: Convert to fraction form
132,943,596.84/183,492,774.90 = 77,957,168.04/x - Step 3: Cross multiply
132,943,596.84x = 183,492,774.90 × 77,957,168.04 - Step 4: Simplify right side
132,943,596.84x = 14,304,577,087,005,196 - Step 5: Solve for x
x = 14,304,577,087,005,196/132,943,596.84 - Step 6: Final answer
x = 107,598,842.12
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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.