Finding the Fourth Proportional to 122,411,249.10, 183,616,873.65 and 40,542,763.05
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Solution
The fourth proportional to 122,411,249.10, 183,616,873.65 and 40,542,763.05 is: 60,814,144.58
Step by Step Solution
- Step 1: Write the proportion equation
122,411,249.10 : 183,616,873.65 = 40,542,763.05 : x - Step 2: Convert to fraction form
122,411,249.10/183,616,873.65 = 40,542,763.05/x - Step 3: Cross multiply
122,411,249.10x = 183,616,873.65 × 40,542,763.05 - Step 4: Simplify right side
122,411,249.10x = 7,444,335,400,373,738 - Step 5: Solve for x
x = 7,444,335,400,373,738/122,411,249.10 - Step 6: Final answer
x = 60,814,144.58
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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.