Finding the Fourth Proportional to 115,434,215.26, 159,299,370.60 and 62,511,014.14
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Solution
The fourth proportional to 115,434,215.26, 159,299,370.60 and 62,511,014.14 is: 86,265,282.66
Step by Step Solution
- Step 1: Write the proportion equation
115,434,215.26 : 159,299,370.60 = 62,511,014.14 : x - Step 2: Convert to fraction form
115,434,215.26/159,299,370.60 = 62,511,014.14/x - Step 3: Cross multiply
115,434,215.26x = 159,299,370.60 × 62,511,014.14 - Step 4: Simplify right side
115,434,215.26x = 9,957,965,208,069,700 - Step 5: Solve for x
x = 9,957,965,208,069,700/115,434,215.26 - Step 6: Final answer
x = 86,265,282.66
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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.