Finding the Fourth Proportional to 125,418,772.64, 173,080,647.81 and 68,904,246.84
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Solution
The fourth proportional to 125,418,772.64, 173,080,647.81 and 68,904,246.84 is: 95,089,366.84
Step by Step Solution
- Step 1: Write the proportion equation
125,418,772.64 : 173,080,647.81 = 68,904,246.84 : x - Step 2: Convert to fraction form
125,418,772.64/173,080,647.81 = 68,904,246.84/x - Step 3: Cross multiply
125,418,772.64x = 173,080,647.81 × 68,904,246.84 - Step 4: Simplify right side
125,418,772.64x = 11,925,991,679,927,346 - Step 5: Solve for x
x = 11,925,991,679,927,346/125,418,772.64 - Step 6: Final answer
x = 95,089,366.84
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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.