Finding the Fourth Proportional to 65,107,252.53, 89,848,136.07 and 38,650,912.17
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Solution
The fourth proportional to 65,107,252.53, 89,848,136.07 and 38,650,912.17 is: 53,338,334.53
Step by Step Solution
- Step 1: Write the proportion equation
65,107,252.53 : 89,848,136.07 = 38,650,912.17 : x - Step 2: Convert to fraction form
65,107,252.53/89,848,136.07 = 38,650,912.17/x - Step 3: Cross multiply
65,107,252.53x = 89,848,136.07 × 38,650,912.17 - Step 4: Simplify right side
65,107,252.53x = 3,472,712,415,879,779 - Step 5: Solve for x
x = 3,472,712,415,879,779/65,107,252.53 - Step 6: Final answer
x = 53,338,334.53
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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.