Finding the Fourth Proportional to 210,596,492.16, 315,723,593.34 and 87,866,290.08
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Solution
The fourth proportional to 210,596,492.16, 315,723,593.34 and 87,866,290.08 is: 131,728,029.05
Step by Step Solution
- Step 1: Write the proportion equation
210,596,492.16 : 315,723,593.34 = 87,866,290.08 : x - Step 2: Convert to fraction form
210,596,492.16/315,723,593.34 = 87,866,290.08/x - Step 3: Cross multiply
210,596,492.16x = 315,723,593.34 × 87,866,290.08 - Step 4: Simplify right side
210,596,492.16x = 27,741,460,837,512,392 - Step 5: Solve for x
x = 27,741,460,837,512,392/210,596,492.16 - Step 6: Final answer
x = 131,728,029.05
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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.