Finding the Fourth Proportional to 201,659,239.40, 302,488,859.10 and 199,746,051.80
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Solution
The fourth proportional to 201,659,239.40, 302,488,859.10 and 199,746,051.80 is: 299,619,077.70
Step by Step Solution
- Step 1: Write the proportion equation
201,659,239.40 : 302,488,859.10 = 199,746,051.80 : x - Step 2: Convert to fraction form
201,659,239.40/302,488,859.10 = 199,746,051.80/x - Step 3: Cross multiply
201,659,239.40x = 302,488,859.10 × 199,746,051.80 - Step 4: Simplify right side
201,659,239.40x = 60,420,955,318,711,512 - Step 5: Solve for x
x = 60,420,955,318,711,512/201,659,239.40 - Step 6: Final answer
x = 299,619,077.70
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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.