Finding the Fourth Proportional to 87,744,480.07, 121,213,510 and 70,080,190.88
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Solution
The fourth proportional to 87,744,480.07, 121,213,510 and 70,080,190.88 is: 96,811,399.55
Step by Step Solution
- Step 1: Write the proportion equation
87,744,480.07 : 121,213,510 = 70,080,190.88 : x - Step 2: Convert to fraction form
87,744,480.07/121,213,510 = 70,080,190.88/x - Step 3: Cross multiply
87,744,480.07x = 121,213,510 × 70,080,190.88 - Step 4: Simplify right side
87,744,480.07x = 8,494,665,918,034,788 - Step 5: Solve for x
x = 8,494,665,918,034,788/87,744,480.07 - Step 6: Final answer
x = 96,811,399.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.