Finding the Fourth Proportional to 134,831,692.70, 202,247,539.05 and 133,487,999.90
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Solution
The fourth proportional to 134,831,692.70, 202,247,539.05 and 133,487,999.90 is: 200,231,999.85
Step by Step Solution
- Step 1: Write the proportion equation
134,831,692.70 : 202,247,539.05 = 133,487,999.90 : x - Step 2: Convert to fraction form
134,831,692.70/202,247,539.05 = 133,487,999.90/x - Step 3: Cross multiply
134,831,692.70x = 202,247,539.05 × 133,487,999.90 - Step 4: Simplify right side
134,831,692.70x = 26,997,619,472,481,648 - Step 5: Solve for x
x = 26,997,619,472,481,648/134,831,692.70 - Step 6: Final answer
x = 200,231,999.85
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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.