Finding the Fourth Proportional to 203,651,997, 280,990,745.16 and 120,023,457.12
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Solution
The fourth proportional to 203,651,997, 280,990,745.16 and 120,023,457.12 is: 165,603,486.09
Step by Step Solution
- Step 1: Write the proportion equation
203,651,997 : 280,990,745.16 = 120,023,457.12 : x - Step 2: Convert to fraction form
203,651,997/280,990,745.16 = 120,023,457.12/x - Step 3: Cross multiply
203,651,997x = 280,990,745.16 × 120,023,457.12 - Step 4: Simplify right side
203,651,997x = 33,725,480,652,828,112 - Step 5: Solve for x
x = 33,725,480,652,828,112/203,651,997 - Step 6: Final answer
x = 165,603,486.09
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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.