Finding the Fourth Proportional to 107,599,356.38, 148,532,928.84 and 72,337,612.00
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Solution
The fourth proportional to 107,599,356.38, 148,532,928.84 and 72,337,612.00 is: 99,856,706.75
Step by Step Solution
- Step 1: Write the proportion equation
107,599,356.38 : 148,532,928.84 = 72,337,612.00 : x - Step 2: Convert to fraction form
107,599,356.38/148,532,928.84 = 72,337,612.00/x - Step 3: Cross multiply
107,599,356.38x = 148,532,928.84 × 72,337,612.00 - Step 4: Simplify right side
107,599,356.38x = 10,744,517,376,568,818 - Step 5: Solve for x
x = 10,744,517,376,568,818/107,599,356.38 - Step 6: Final answer
x = 99,856,706.75
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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.