Finding the Fourth Proportional to 124,251,349.10, 171,467,379.66 and 68,495,544.63
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Solution
The fourth proportional to 124,251,349.10, 171,467,379.66 and 68,495,544.63 is: 94,524,137.09
Step by Step Solution
- Step 1: Write the proportion equation
124,251,349.10 : 171,467,379.66 = 68,495,544.63 : x - Step 2: Convert to fraction form
124,251,349.10/171,467,379.66 = 68,495,544.63/x - Step 3: Cross multiply
124,251,349.10x = 171,467,379.66 × 68,495,544.63 - Step 4: Simplify right side
124,251,349.10x = 11,744,751,556,090,684 - Step 5: Solve for x
x = 11,744,751,556,090,684/124,251,349.10 - Step 6: Final answer
x = 94,524,137.09
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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.