Finding the Fourth Proportional to 74,489,623.70, 111,734,435.55 and 74,489,623.70
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Solution
The fourth proportional to 74,489,623.70, 111,734,435.55 and 74,489,623.70 is: 111,734,435.55
Step by Step Solution
- Step 1: Write the proportion equation
74,489,623.70 : 111,734,435.55 = 74,489,623.70 : x - Step 2: Convert to fraction form
74,489,623.70/111,734,435.55 = 74,489,623.70/x - Step 3: Cross multiply
74,489,623.70x = 111,734,435.55 × 74,489,623.70 - Step 4: Simplify right side
74,489,623.70x = 8,323,056,058,451,403 - Step 5: Solve for x
x = 8,323,056,058,451,403/74,489,623.70 - Step 6: Final answer
x = 111,734,435.55
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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.