Finding the Fourth Proportional to 112,006,415.20, 167,673,699.60 and 66,544,808.80
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Solution
The fourth proportional to 112,006,415.20, 167,673,699.60 and 66,544,808.80 is: 99,617,635.84
Step by Step Solution
- Step 1: Write the proportion equation
112,006,415.20 : 167,673,699.60 = 66,544,808.80 : x - Step 2: Convert to fraction form
112,006,415.20/167,673,699.60 = 66,544,808.80/x - Step 3: Cross multiply
112,006,415.20x = 167,673,699.60 × 66,544,808.80 - Step 4: Simplify right side
112,006,415.20x = 11,157,814,280,670,636 - Step 5: Solve for x
x = 11,157,814,280,670,636/112,006,415.20 - Step 6: Final answer
x = 99,617,635.84
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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.