Finding the Fourth Proportional to 68,442,638.08, 94,450,863.36 and 37,502,556.16
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Solution
The fourth proportional to 68,442,638.08, 94,450,863.36 and 37,502,556.16 is: 51,753,540.00
Step by Step Solution
- Step 1: Write the proportion equation
68,442,638.08 : 94,450,863.36 = 37,502,556.16 : x - Step 2: Convert to fraction form
68,442,638.08/94,450,863.36 = 37,502,556.16/x - Step 3: Cross multiply
68,442,638.08x = 94,450,863.36 × 37,502,556.16 - Step 4: Simplify right side
68,442,638.08x = 3,542,148,807,518,886 - Step 5: Solve for x
x = 3,542,148,807,518,886/68,442,638.08 - Step 6: Final answer
x = 51,753,540.00
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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.