Finding the Fourth Proportional to 68,768,795.70, 94,901,438.36 and 37,407,115.46
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Solution
The fourth proportional to 68,768,795.70, 94,901,438.36 and 37,407,115.46 is: 51,622,091.47
Step by Step Solution
- Step 1: Write the proportion equation
68,768,795.70 : 94,901,438.36 = 37,407,115.46 : x - Step 2: Convert to fraction form
68,768,795.70/94,901,438.36 = 37,407,115.46/x - Step 3: Cross multiply
68,768,795.70x = 94,901,438.36 × 37,407,115.46 - Step 4: Simplify right side
68,768,795.70x = 3,549,989,062,052,593 - Step 5: Solve for x
x = 3,549,989,062,052,593/68,768,795.70 - Step 6: Final answer
x = 51,622,091.47
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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.