Finding the Fourth Proportional to 112,291,218.30, 168,436,827.45 and 39,519,230.70
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Solution
The fourth proportional to 112,291,218.30, 168,436,827.45 and 39,519,230.70 is: 59,278,846.05
Step by Step Solution
- Step 1: Write the proportion equation
112,291,218.30 : 168,436,827.45 = 39,519,230.70 : x - Step 2: Convert to fraction form
112,291,218.30/168,436,827.45 = 39,519,230.70/x - Step 3: Cross multiply
112,291,218.30x = 168,436,827.45 × 39,519,230.70 - Step 4: Simplify right side
112,291,218.30x = 6,656,493,842,372,643 - Step 5: Solve for x
x = 6,656,493,842,372,643/112,291,218.30 - Step 6: Final answer
x = 59,278,846.05
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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.