Finding the Fourth Proportional to 183,600,709.44, 253,373,519.64 and 99,973,423.68
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Solution
The fourth proportional to 183,600,709.44, 253,373,519.64 and 99,973,423.68 is: 137,965,797.11
Step by Step Solution
- Step 1: Write the proportion equation
183,600,709.44 : 253,373,519.64 = 99,973,423.68 : x - Step 2: Convert to fraction form
183,600,709.44/253,373,519.64 = 99,973,423.68/x - Step 3: Cross multiply
183,600,709.44x = 253,373,519.64 × 99,973,423.68 - Step 4: Simplify right side
183,600,709.44x = 25,330,618,228,262,520 - Step 5: Solve for x
x = 25,330,618,228,262,520/183,600,709.44 - Step 6: Final answer
x = 137,965,797.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.