Finding the Fourth Proportional to 66,450,891.84, 91,702,058.76 and 37,081,915.44
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Solution
The fourth proportional to 66,450,891.84, 91,702,058.76 and 37,081,915.44 is: 51,172,947.34
Step by Step Solution
- Step 1: Write the proportion equation
66,450,891.84 : 91,702,058.76 = 37,081,915.44 : x - Step 2: Convert to fraction form
66,450,891.84/91,702,058.76 = 37,081,915.44/x - Step 3: Cross multiply
66,450,891.84x = 91,702,058.76 × 37,081,915.44 - Step 4: Simplify right side
66,450,891.84x = 3,400,487,988,612,231 - Step 5: Solve for x
x = 3,400,487,988,612,231/66,450,891.84 - Step 6: Final answer
x = 51,172,947.34
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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.