Finding the Fourth Proportional to 141,153,997,232.20, 211,793,521,215.12 and 73,985,279,350.12
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Solution
The fourth proportional to 141,153,997,232.20, 211,793,521,215.12 and 73,985,279,350.12 is: 111,010,691,435.61
Step by Step Solution
- Step 1: Write the proportion equation
141,153,997,232.20 : 211,793,521,215.12 = 73,985,279,350.12 : x - Step 2: Convert to fraction form
141,153,997,232.20/211,793,521,215.12 = 73,985,279,350.12/x - Step 3: Cross multiply
141,153,997,232.20x = 211,793,521,215.12 × 73,985,279,350.12 - Step 4: Simplify right side
141,153,997,232.20x = 15,669,602,831,646,217,732,096 - Step 5: Solve for x
x = 15,669,602,831,646,217,732,096/141,153,997,232.20 - Step 6: Final answer
x = 111,010,691,435.61
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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.