Finding the Fourth Proportional to 91,233,385.18, 125,801,204.01 and 58,141,243.01
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Solution
The fourth proportional to 91,233,385.18, 125,801,204.01 and 58,141,243.01 is: 80,170,634.45
Step by Step Solution
- Step 1: Write the proportion equation
91,233,385.18 : 125,801,204.01 = 58,141,243.01 : x - Step 2: Convert to fraction form
91,233,385.18/125,801,204.01 = 58,141,243.01/x - Step 3: Cross multiply
91,233,385.18x = 125,801,204.01 × 58,141,243.01 - Step 4: Simplify right side
91,233,385.18x = 7,314,238,373,295,997 - Step 5: Solve for x
x = 7,314,238,373,295,997/91,233,385.18 - Step 6: Final answer
x = 80,170,634.45
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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.