Finding the Fourth Proportional to 79,305,457.49, 118,931,245.94 and 27,477,964.30
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Solution
The fourth proportional to 79,305,457.49, 118,931,245.94 and 27,477,964.30 is: 41,207,612.10
Step by Step Solution
- Step 1: Write the proportion equation
79,305,457.49 : 118,931,245.94 = 27,477,964.30 : x - Step 2: Convert to fraction form
79,305,457.49/118,931,245.94 = 27,477,964.30/x - Step 3: Cross multiply
79,305,457.49x = 118,931,245.94 × 27,477,964.30 - Step 4: Simplify right side
79,305,457.49x = 3,267,988,529,865,206.50 - Step 5: Solve for x
x = 3,267,988,529,865,206.50/79,305,457.49 - Step 6: Final answer
x = 41,207,612.10
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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.