Finding the Fourth Proportional to 199,697,790.40, 299,546,685.60 and 167,449,163.20
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Solution
The fourth proportional to 199,697,790.40, 299,546,685.60 and 167,449,163.20 is: 251,173,744.80
Step by Step Solution
- Step 1: Write the proportion equation
199,697,790.40 : 299,546,685.60 = 167,449,163.20 : x - Step 2: Convert to fraction form
199,697,790.40/299,546,685.60 = 167,449,163.20/x - Step 3: Cross multiply
199,697,790.40x = 299,546,685.60 × 167,449,163.20 - Step 4: Simplify right side
199,697,790.40x = 50,158,841,843,053,488 - Step 5: Solve for x
x = 50,158,841,843,053,488/199,697,790.40 - Step 6: Final answer
x = 251,173,744.80
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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.