Finding the Fourth Proportional to 283,194,067.61, 390,811,862.12 and 162,511,721.80
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Solution
The fourth proportional to 283,194,067.61, 390,811,862.12 and 162,511,721.80 is: 224,268,499.50
Step by Step Solution
- Step 1: Write the proportion equation
283,194,067.61 : 390,811,862.12 = 162,511,721.80 : x - Step 2: Convert to fraction form
283,194,067.61/390,811,862.12 = 162,511,721.80/x - Step 3: Cross multiply
283,194,067.61x = 390,811,862.12 × 162,511,721.80 - Step 4: Simplify right side
283,194,067.61x = 63,511,508,611,195,816 - Step 5: Solve for x
x = 63,511,508,611,195,816/283,194,067.61 - Step 6: Final answer
x = 224,268,499.50
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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.