Finding the Fourth Proportional to 199,733,286.48, 299,514,858.36 and 78,479,683.92
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Solution
The fourth proportional to 199,733,286.48, 299,514,858.36 and 78,479,683.92 is: 117,686,099.44
Step by Step Solution
- Step 1: Write the proportion equation
199,733,286.48 : 299,514,858.36 = 78,479,683.92 : x - Step 2: Convert to fraction form
199,733,286.48/299,514,858.36 = 78,479,683.92/x - Step 3: Cross multiply
199,733,286.48x = 299,514,858.36 × 78,479,683.92 - Step 4: Simplify right side
199,733,286.48x = 23,505,831,413,436,372 - Step 5: Solve for x
x = 23,505,831,413,436,372/199,733,286.48 - Step 6: Final answer
x = 117,686,099.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.