Finding the Fourth Proportional to 86,169,230.39, 129,239,972.96 and 24,744,418.11
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Solution
The fourth proportional to 86,169,230.39, 129,239,972.96 and 24,744,418.11 is: 37,112,643.49
Step by Step Solution
- Step 1: Write the proportion equation
86,169,230.39 : 129,239,972.96 = 24,744,418.11 : x - Step 2: Convert to fraction form
86,169,230.39/129,239,972.96 = 24,744,418.11/x - Step 3: Cross multiply
86,169,230.39x = 129,239,972.96 × 24,744,418.11 - Step 4: Simplify right side
86,169,230.39x = 3,197,967,927,323,612 - Step 5: Solve for x
x = 3,197,967,927,323,612/86,169,230.39 - Step 6: Final answer
x = 37,112,643.49
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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.