Finding the Fourth Proportional to 133,056,133.70, 199,434,901.35 and 75,575,941.70
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Solution
The fourth proportional to 133,056,133.70, 199,434,901.35 and 75,575,941.70 is: 113,279,110.54
Step by Step Solution
- Step 1: Write the proportion equation
133,056,133.70 : 199,434,901.35 = 75,575,941.70 : x - Step 2: Convert to fraction form
133,056,133.70/199,434,901.35 = 75,575,941.70/x - Step 3: Cross multiply
133,056,133.70x = 199,434,901.35 × 75,575,941.70 - Step 4: Simplify right side
133,056,133.70x = 15,072,480,477,372,852 - Step 5: Solve for x
x = 15,072,480,477,372,852/133,056,133.70 - Step 6: Final answer
x = 113,279,110.54
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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.