Finding the Fourth Proportional to 202,682,317.16, 279,694,104.36 and 109,860,832.10
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Solution
The fourth proportional to 202,682,317.16, 279,694,104.36 and 109,860,832.10 is: 151,603,886.66
Step by Step Solution
- Step 1: Write the proportion equation
202,682,317.16 : 279,694,104.36 = 109,860,832.10 : x - Step 2: Convert to fraction form
202,682,317.16/279,694,104.36 = 109,860,832.10/x - Step 3: Cross multiply
202,682,317.16x = 279,694,104.36 × 109,860,832.10 - Step 4: Simplify right side
202,682,317.16x = 30,727,427,038,453,836 - Step 5: Solve for x
x = 30,727,427,038,453,836/202,682,317.16 - Step 6: Final answer
x = 151,603,886.66
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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.