Finding the Fourth Proportional to 78,766,611.23, 118,168,474.91 and 26,951,778.02
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Solution
The fourth proportional to 78,766,611.23, 118,168,474.91 and 26,951,778.02 is: 40,434,017.09
Step by Step Solution
- Step 1: Write the proportion equation
78,766,611.23 : 118,168,474.91 = 26,951,778.02 : x - Step 2: Convert to fraction form
78,766,611.23/118,168,474.91 = 26,951,778.02/x - Step 3: Cross multiply
78,766,611.23x = 118,168,474.91 × 26,951,778.02 - Step 4: Simplify right side
78,766,611.23x = 3,184,850,504,896,922 - Step 5: Solve for x
x = 3,184,850,504,896,922/78,766,611.23 - Step 6: Final answer
x = 40,434,017.09
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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.