Finding the Fourth Proportional to 42,129,577.14, 58,140,611.97 and 23,544,716.72
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Solution
The fourth proportional to 42,129,577.14, 58,140,611.97 and 23,544,716.72 is: 32,492,712.52
Step by Step Solution
- Step 1: Write the proportion equation
42,129,577.14 : 58,140,611.97 = 23,544,716.72 : x - Step 2: Convert to fraction form
42,129,577.14/58,140,611.97 = 23,544,716.72/x - Step 3: Cross multiply
42,129,577.14x = 58,140,611.97 × 23,544,716.72 - Step 4: Simplify right side
42,129,577.14x = 1,368,904,238,470,388 - Step 5: Solve for x
x = 1,368,904,238,470,388/42,129,577.14 - Step 6: Final answer
x = 32,492,712.52
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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.