Finding the Fourth Proportional to 99,645,608.05, 149,468,412.08 and 48,627,272.05
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Solution
The fourth proportional to 99,645,608.05, 149,468,412.08 and 48,627,272.05 is: 72,940,908.08
Step by Step Solution
- Step 1: Write the proportion equation
99,645,608.05 : 149,468,412.08 = 48,627,272.05 : x - Step 2: Convert to fraction form
99,645,608.05/149,468,412.08 = 48,627,272.05/x - Step 3: Cross multiply
99,645,608.05x = 149,468,412.08 × 48,627,272.05 - Step 4: Simplify right side
99,645,608.05x = 7,268,241,136,852,529 - Step 5: Solve for x
x = 7,268,241,136,852,529/99,645,608.05 - Step 6: Final answer
x = 72,940,908.08
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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.