Finding the Fourth Proportional to 43,169,826.25, 64,788,318.91 and 30,131,272.99
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Solution
The fourth proportional to 43,169,826.25, 64,788,318.91 and 30,131,272.99 is: 45,220,347.01
Step by Step Solution
- Step 1: Write the proportion equation
43,169,826.25 : 64,788,318.91 = 30,131,272.99 : x - Step 2: Convert to fraction form
43,169,826.25/64,788,318.91 = 30,131,272.99/x - Step 3: Cross multiply
43,169,826.25x = 64,788,318.91 × 30,131,272.99 - Step 4: Simplify right side
43,169,826.25x = 1,952,154,523,589,550.50 - Step 5: Solve for x
x = 1,952,154,523,589,550.50/43,169,826.25 - Step 6: Final answer
x = 45,220,347.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.