Finding the Fourth Proportional to 84,609,128.97, 126,916,701.80 and 27,093,927.15
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Solution
The fourth proportional to 84,609,128.97, 126,916,701.80 and 27,093,927.15 is: 40,641,854.07
Step by Step Solution
- Step 1: Write the proportion equation
84,609,128.97 : 126,916,701.80 = 27,093,927.15 : x - Step 2: Convert to fraction form
84,609,128.97/126,916,701.80 = 27,093,927.15/x - Step 3: Cross multiply
84,609,128.97x = 126,916,701.80 × 27,093,927.15 - Step 4: Simplify right side
84,609,128.97x = 3,438,671,872,552,004 - Step 5: Solve for x
x = 3,438,671,872,552,004/84,609,128.97 - Step 6: Final answer
x = 40,641,854.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.