Finding the Fourth Proportional to 115,858,389.88, 159,886,215.66 and 63,652,250.44
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Solution
The fourth proportional to 115,858,389.88, 159,886,215.66 and 63,652,250.44 is: 87,841,005.31
Step by Step Solution
- Step 1: Write the proportion equation
115,858,389.88 : 159,886,215.66 = 63,652,250.44 : x - Step 2: Convert to fraction form
115,858,389.88/159,886,215.66 = 63,652,250.44/x - Step 3: Cross multiply
115,858,389.88x = 159,886,215.66 × 63,652,250.44 - Step 4: Simplify right side
115,858,389.88x = 10,177,117,441,094,170 - Step 5: Solve for x
x = 10,177,117,441,094,170/115,858,389.88 - Step 6: Final answer
x = 87,841,005.31
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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.