Finding the Fourth Proportional to 212,848,800.21, 293,675,756.24 and 124,695,409.24
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Solution
The fourth proportional to 212,848,800.21, 293,675,756.24 and 124,695,409.24 is: 172,047,099.03
Step by Step Solution
- Step 1: Write the proportion equation
212,848,800.21 : 293,675,756.24 = 124,695,409.24 : x - Step 2: Convert to fraction form
212,848,800.21/293,675,756.24 = 124,695,409.24/x - Step 3: Cross multiply
212,848,800.21x = 293,675,756.24 × 124,695,409.24 - Step 4: Simplify right side
212,848,800.21x = 36,620,018,607,790,832 - Step 5: Solve for x
x = 36,620,018,607,790,832/212,848,800.21 - Step 6: Final answer
x = 172,047,099.03
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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.