Finding the Fourth Proportional to 73,504,026.70, 110,255,292.70 and 18,916,400.09
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Solution
The fourth proportional to 73,504,026.70, 110,255,292.70 and 18,916,400.09 is: 28,374,407.80
Step by Step Solution
- Step 1: Write the proportion equation
73,504,026.70 : 110,255,292.70 = 18,916,400.09 : x - Step 2: Convert to fraction form
73,504,026.70/110,255,292.70 = 18,916,400.09/x - Step 3: Cross multiply
73,504,026.70x = 110,255,292.70 × 18,916,400.09 - Step 4: Simplify right side
73,504,026.70x = 2,085,633,228,467,727.50 - Step 5: Solve for x
x = 2,085,633,228,467,727.50/73,504,026.70 - Step 6: Final answer
x = 28,374,407.80
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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.