Finding the Fourth Proportional to 95,698,911.70, 143,548,367.55 and 47,199,999.70
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Solution
The fourth proportional to 95,698,911.70, 143,548,367.55 and 47,199,999.70 is: 70,799,999.55
Step by Step Solution
- Step 1: Write the proportion equation
95,698,911.70 : 143,548,367.55 = 47,199,999.70 : x - Step 2: Convert to fraction form
95,698,911.70/143,548,367.55 = 47,199,999.70/x - Step 3: Cross multiply
95,698,911.70x = 143,548,367.55 × 47,199,999.70 - Step 4: Simplify right side
95,698,911.70x = 6,775,482,905,295,491 - Step 5: Solve for x
x = 6,775,482,905,295,491/95,698,911.70 - Step 6: Final answer
x = 70,799,999.55
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Similar ratio
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1.5x scale
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.