Finding the Fourth Proportional to 71,228,535.74, 98,295,336.02 and 38,633,487.74
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Solution
The fourth proportional to 71,228,535.74, 98,295,336.02 and 38,633,487.74 is: 53,314,189.59
Step by Step Solution
- Step 1: Write the proportion equation
71,228,535.74 : 98,295,336.02 = 38,633,487.74 : x - Step 2: Convert to fraction form
71,228,535.74/98,295,336.02 = 38,633,487.74/x - Step 3: Cross multiply
71,228,535.74x = 98,295,336.02 × 38,633,487.74 - Step 4: Simplify right side
71,228,535.74x = 3,797,491,658,784,252 - Step 5: Solve for x
x = 3,797,491,658,784,252/71,228,535.74 - Step 6: Final answer
x = 53,314,189.59
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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.