Finding the Fourth Proportional to 125,221,745.94, 187,845,489.54 and 43,340,490.78
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Solution
The fourth proportional to 125,221,745.94, 187,845,489.54 and 43,340,490.78 is: 65,015,190.82
Step by Step Solution
- Step 1: Write the proportion equation
125,221,745.94 : 187,845,489.54 = 43,340,490.78 : x - Step 2: Convert to fraction form
125,221,745.94/187,845,489.54 = 43,340,490.78/x - Step 3: Cross multiply
125,221,745.94x = 187,845,489.54 × 43,340,490.78 - Step 4: Simplify right side
125,221,745.94x = 8,141,315,707,472,956 - Step 5: Solve for x
x = 8,141,315,707,472,956/125,221,745.94 - Step 6: Final answer
x = 65,015,190.82
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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.