Finding the Fourth Proportional to 208,077,163.33, 287,146,460.79 and 124,445,281.02
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Solution
The fourth proportional to 208,077,163.33, 287,146,460.79 and 124,445,281.02 is: 171,734,473.09
Step by Step Solution
- Step 1: Write the proportion equation
208,077,163.33 : 287,146,460.79 = 124,445,281.02 : x - Step 2: Convert to fraction form
208,077,163.33/287,146,460.79 = 124,445,281.02/x - Step 3: Cross multiply
208,077,163.33x = 287,146,460.79 × 124,445,281.02 - Step 4: Simplify right side
208,077,163.33x = 35,734,022,006,287,736 - Step 5: Solve for x
x = 35,734,022,006,287,736/208,077,163.33 - Step 6: Final answer
x = 171,734,473.09
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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.