Finding the Fourth Proportional to 81,833,939.88, 112,929,234.66 and 44,664,487.08
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Solution
The fourth proportional to 81,833,939.88, 112,929,234.66 and 44,664,487.08 is: 61,636,117.60
Step by Step Solution
- Step 1: Write the proportion equation
81,833,939.88 : 112,929,234.66 = 44,664,487.08 : x - Step 2: Convert to fraction form
81,833,939.88/112,929,234.66 = 44,664,487.08/x - Step 3: Cross multiply
81,833,939.88x = 112,929,234.66 × 44,664,487.08 - Step 4: Simplify right side
81,833,939.88x = 5,043,926,342,425,858 - Step 5: Solve for x
x = 5,043,926,342,425,858/81,833,939.88 - Step 6: Final answer
x = 61,636,117.60
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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.