Finding the Fourth Proportional to 134,276,481,391.99, 185,385,186,374.16 and 85,474,847,624.01
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Solution
The fourth proportional to 134,276,481,391.99, 185,385,186,374.16 and 85,474,847,624.01 is: 118,008,532,788.57
Step by Step Solution
- Step 1: Write the proportion equation
134,276,481,391.99 : 185,385,186,374.16 = 85,474,847,624.01 : x - Step 2: Convert to fraction form
134,276,481,391.99/185,385,186,374.16 = 85,474,847,624.01/x - Step 3: Cross multiply
134,276,481,391.99x = 185,385,186,374.16 × 85,474,847,624.01 - Step 4: Simplify right side
134,276,481,391.99x = 15,845,770,557,080,020,713,472 - Step 5: Solve for x
x = 15,845,770,557,080,020,713,472/134,276,481,391.99 - Step 6: Final answer
x = 118,008,532,788.57
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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.