Finding the Fourth Proportional to 99,590,259.63, 149,385,667.26 and 38,198,236.66
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Solution
The fourth proportional to 99,590,259.63, 149,385,667.26 and 38,198,236.66 is: 57,297,461.54
Step by Step Solution
- Step 1: Write the proportion equation
99,590,259.63 : 149,385,667.26 = 38,198,236.66 : x - Step 2: Convert to fraction form
99,590,259.63/149,385,667.26 = 38,198,236.66/x - Step 3: Cross multiply
99,590,259.63x = 149,385,667.26 × 38,198,236.66 - Step 4: Simplify right side
99,590,259.63x = 5,706,269,071,008,422 - Step 5: Solve for x
x = 5,706,269,071,008,422/99,590,259.63 - Step 6: Final answer
x = 57,297,461.54
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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.