Finding the Fourth Proportional to 133,211,835.77, 199,831,456.57 and 50,283,440.21
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Solution
The fourth proportional to 133,211,835.77, 199,831,456.57 and 50,283,440.21 is: 75,430,332.76
Step by Step Solution
- Step 1: Write the proportion equation
133,211,835.77 : 199,831,456.57 = 50,283,440.21 : x - Step 2: Convert to fraction form
133,211,835.77/199,831,456.57 = 50,283,440.21/x - Step 3: Cross multiply
133,211,835.77x = 199,831,456.57 × 50,283,440.21 - Step 4: Simplify right side
133,211,835.77x = 10,048,213,098,983,208 - Step 5: Solve for x
x = 10,048,213,098,983,208/133,211,835.77 - Step 6: Final answer
x = 75,430,332.76
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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.