Finding the Fourth Proportional to 127,028,396.88, 175,234,553.88 and 83,001,135.12
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Solution
The fourth proportional to 127,028,396.88, 175,234,553.88 and 83,001,135.12 is: 114,499,334.33
Step by Step Solution
- Step 1: Write the proportion equation
127,028,396.88 : 175,234,553.88 = 83,001,135.12 : x - Step 2: Convert to fraction form
127,028,396.88/175,234,553.88 = 83,001,135.12/x - Step 3: Cross multiply
127,028,396.88x = 175,234,553.88 × 83,001,135.12 - Step 4: Simplify right side
127,028,396.88x = 14,544,666,884,286,800 - Step 5: Solve for x
x = 14,544,666,884,286,800/127,028,396.88 - Step 6: Final answer
x = 114,499,334.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.