Finding the Fourth Proportional to 189,635,823.12, 284,453,844.56 and 53,321,206.62
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Solution
The fourth proportional to 189,635,823.12, 284,453,844.56 and 53,321,206.62 is: 79,981,840.83
Step by Step Solution
- Step 1: Write the proportion equation
189,635,823.12 : 284,453,844.56 = 53,321,206.62 : x - Step 2: Convert to fraction form
189,635,823.12/284,453,844.56 = 53,321,206.62/x - Step 3: Cross multiply
189,635,823.12x = 284,453,844.56 × 53,321,206.62 - Step 4: Simplify right side
189,635,823.12x = 15,167,422,219,637,122 - Step 5: Solve for x
x = 15,167,422,219,637,122/189,635,823.12 - Step 6: Final answer
x = 79,981,840.83
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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.