Finding the Fourth Proportional to 79,531,212.80, 119,295,620.60 and 35,781,074.84
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Solution
The fourth proportional to 79,531,212.80, 119,295,620.60 and 35,781,074.84 is: 53,671,073.01
Step by Step Solution
- Step 1: Write the proportion equation
79,531,212.80 : 119,295,620.60 = 35,781,074.84 : x - Step 2: Convert to fraction form
79,531,212.80/119,295,620.60 = 35,781,074.84/x - Step 3: Cross multiply
79,531,212.80x = 119,295,620.60 × 35,781,074.84 - Step 4: Simplify right side
79,531,212.80x = 4,268,525,528,772,846 - Step 5: Solve for x
x = 4,268,525,528,772,846/79,531,212.80 - Step 6: Final answer
x = 53,671,073.01
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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.