Finding the Fourth Proportional to 201,800,464.35, 278,484,631.64 and 108,980,963.99
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Solution
The fourth proportional to 201,800,464.35, 278,484,631.64 and 108,980,963.99 is: 150,393,725.36
Step by Step Solution
- Step 1: Write the proportion equation
201,800,464.35 : 278,484,631.64 = 108,980,963.99 : x - Step 2: Convert to fraction form
201,800,464.35/278,484,631.64 = 108,980,963.99/x - Step 3: Cross multiply
201,800,464.35x = 278,484,631.64 × 108,980,963.99 - Step 4: Simplify right side
201,800,464.35x = 30,349,523,612,527,252 - Step 5: Solve for x
x = 30,349,523,612,527,252/201,800,464.35 - Step 6: Final answer
x = 150,393,725.36
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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.