Finding the Fourth Proportional to 125,418,774.15, 173,080,649.88 and 68,904,248.36
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Solution
The fourth proportional to 125,418,774.15, 173,080,649.88 and 68,904,248.36 is: 95,089,368.92
Step by Step Solution
- Step 1: Write the proportion equation
125,418,774.15 : 173,080,649.88 = 68,904,248.36 : x - Step 2: Convert to fraction form
125,418,774.15/173,080,649.88 = 68,904,248.36/x - Step 3: Cross multiply
125,418,774.15x = 173,080,649.88 × 68,904,248.36 - Step 4: Simplify right side
125,418,774.15x = 11,925,992,084,776,322 - Step 5: Solve for x
x = 11,925,992,084,776,322/125,418,774.15 - Step 6: Final answer
x = 95,089,368.92
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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.