Finding the Fourth Proportional to 78,558,961.05, 117,831,170.88 and 37,050,319.62
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Solution
The fourth proportional to 78,558,961.05, 117,831,170.88 and 37,050,319.62 is: 55,572,050.39
Step by Step Solution
- Step 1: Write the proportion equation
78,558,961.05 : 117,831,170.88 = 37,050,319.62 : x - Step 2: Convert to fraction form
78,558,961.05/117,831,170.88 = 37,050,319.62/x - Step 3: Cross multiply
78,558,961.05x = 117,831,170.88 × 37,050,319.62 - Step 4: Simplify right side
78,558,961.05x = 4,365,682,542,302,836 - Step 5: Solve for x
x = 4,365,682,542,302,836/78,558,961.05 - Step 6: Final answer
x = 55,572,050.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.