Finding the Fourth Proportional to 85,833,751.74, 118,453,692.26 and 49,171,408.62
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Solution
The fourth proportional to 85,833,751.74, 118,453,692.26 and 49,171,408.62 is: 67,858,328.30
Step by Step Solution
- Step 1: Write the proportion equation
85,833,751.74 : 118,453,692.26 = 49,171,408.62 : x - Step 2: Convert to fraction form
85,833,751.74/118,453,692.26 = 49,171,408.62/x - Step 3: Cross multiply
85,833,751.74x = 118,453,692.26 × 49,171,408.62 - Step 4: Simplify right side
85,833,751.74x = 5,824,534,904,664,191 - Step 5: Solve for x
x = 5,824,534,904,664,191/85,833,751.74 - Step 6: Final answer
x = 67,858,328.30
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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.