Finding the Fourth Proportional to 201,438,212.80, 302,157,319.20 and 104,361,656.80
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Solution
The fourth proportional to 201,438,212.80, 302,157,319.20 and 104,361,656.80 is: 156,542,485.20
Step by Step Solution
- Step 1: Write the proportion equation
201,438,212.80 : 302,157,319.20 = 104,361,656.80 : x - Step 2: Convert to fraction form
201,438,212.80/302,157,319.20 = 104,361,656.80/x - Step 3: Cross multiply
201,438,212.80x = 302,157,319.20 × 104,361,656.80 - Step 4: Simplify right side
201,438,212.80x = 31,533,638,445,958,448 - Step 5: Solve for x
x = 31,533,638,445,958,448/201,438,212.80 - Step 6: Final answer
x = 156,542,485.20
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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.