Finding the Fourth Proportional to 81,544,289.92, 112,531,136.48 and 44,874,860.92
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Solution
The fourth proportional to 81,544,289.92, 112,531,136.48 and 44,874,860.92 is: 61,927,317.09
Step by Step Solution
- Step 1: Write the proportion equation
81,544,289.92 : 112,531,136.48 = 44,874,860.92 : x - Step 2: Convert to fraction form
81,544,289.92/112,531,136.48 = 44,874,860.92/x - Step 3: Cross multiply
81,544,289.92x = 112,531,136.48 × 44,874,860.92 - Step 4: Simplify right side
81,544,289.92x = 5,049,819,098,709,539 - Step 5: Solve for x
x = 5,049,819,098,709,539/81,544,289.92 - Step 6: Final answer
x = 61,927,317.09
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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.