Finding the Fourth Proportional to 45,416,396.68, 68,123,953.49 and 21,141,746.44
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Solution
The fourth proportional to 45,416,396.68, 68,123,953.49 and 21,141,746.44 is: 31,712,321.02
Step by Step Solution
- Step 1: Write the proportion equation
45,416,396.68 : 68,123,953.49 = 21,141,746.44 : x - Step 2: Convert to fraction form
45,416,396.68/68,123,953.49 = 21,141,746.44/x - Step 3: Cross multiply
45,416,396.68x = 68,123,953.49 × 21,141,746.44 - Step 4: Simplify right side
45,416,396.68x = 1,440,259,350,899,914.50 - Step 5: Solve for x
x = 1,440,259,350,899,914.50/45,416,396.68 - Step 6: Final answer
x = 31,712,321.02
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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.