Finding the Fourth Proportional to 89,990,276.39, 134,992,412.97 and 29,412,125.99
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Solution
The fourth proportional to 89,990,276.39, 134,992,412.97 and 29,412,125.99 is: 44,120,476.31
Step by Step Solution
- Step 1: Write the proportion equation
89,990,276.39 : 134,992,412.97 = 29,412,125.99 : x - Step 2: Convert to fraction form
89,990,276.39/134,992,412.97 = 29,412,125.99/x - Step 3: Cross multiply
89,990,276.39x = 134,992,412.97 × 29,412,125.99 - Step 4: Simplify right side
89,990,276.39x = 3,970,413,857,292,788 - Step 5: Solve for x
x = 3,970,413,857,292,788/89,990,276.39 - Step 6: Final answer
x = 44,120,476.31
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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.