Finding the Fourth Proportional to 201,659,814.90, 302,489,722.35 and 199,746,627.30
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Solution
The fourth proportional to 201,659,814.90, 302,489,722.35 and 199,746,627.30 is: 299,619,940.95
Step by Step Solution
- Step 1: Write the proportion equation
201,659,814.90 : 302,489,722.35 = 199,746,627.30 : x - Step 2: Convert to fraction form
201,659,814.90/302,489,722.35 = 199,746,627.30/x - Step 3: Cross multiply
201,659,814.90x = 302,489,722.35 × 199,746,627.30 - Step 4: Simplify right side
201,659,814.90x = 60,421,301,832,325,936 - Step 5: Solve for x
x = 60,421,301,832,325,936/201,659,814.90 - Step 6: Final answer
x = 299,619,940.95
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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.