Finding the Fourth Proportional to 351,581,631.99, 527,321,112.88 and 102,519,962.07
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Solution
The fourth proportional to 351,581,631.99, 527,321,112.88 and 102,519,962.07 is: 153,764,973.97
Step by Step Solution
- Step 1: Write the proportion equation
351,581,631.99 : 527,321,112.88 = 102,519,962.07 : x - Step 2: Convert to fraction form
351,581,631.99/527,321,112.88 = 102,519,962.07/x - Step 3: Cross multiply
351,581,631.99x = 527,321,112.88 × 102,519,962.07 - Step 4: Simplify right side
351,581,631.99x = 54,060,940,491,167,784 - Step 5: Solve for x
x = 54,060,940,491,167,784/351,581,631.99 - Step 6: Final answer
x = 153,764,973.97
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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.