Finding the Fourth Proportional to 199,368,195.40, 299,052,293.10 and 194,889,219.40
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Solution
The fourth proportional to 199,368,195.40, 299,052,293.10 and 194,889,219.40 is: 292,333,829.10
Step by Step Solution
- Step 1: Write the proportion equation
199,368,195.40 : 299,052,293.10 = 194,889,219.40 : x - Step 2: Convert to fraction form
199,368,195.40/299,052,293.10 = 194,889,219.40/x - Step 3: Cross multiply
199,368,195.40x = 299,052,293.10 × 194,889,219.40 - Step 4: Simplify right side
199,368,195.40x = 58,282,067,962,039,016 - Step 5: Solve for x
x = 58,282,067,962,039,016/199,368,195.40 - Step 6: Final answer
x = 292,333,829.10
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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.