Finding the Fourth Proportional to 134,831,745.70, 202,247,618.55 and 133,488,052.90
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Solution
The fourth proportional to 134,831,745.70, 202,247,618.55 and 133,488,052.90 is: 200,232,079.35
Step by Step Solution
- Step 1: Write the proportion equation
134,831,745.70 : 202,247,618.55 = 133,488,052.90 : x - Step 2: Convert to fraction form
134,831,745.70/202,247,618.55 = 133,488,052.90/x - Step 3: Cross multiply
134,831,745.70x = 202,247,618.55 × 133,488,052.90 - Step 4: Simplify right side
134,831,745.70x = 26,997,640,803,901,424 - Step 5: Solve for x
x = 26,997,640,803,901,424/134,831,745.70 - Step 6: Final answer
x = 200,232,079.35
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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.