Finding the Fourth Proportional to 102,420,293.24, 141,352,915.96 and 67,167,745.00
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Solution
The fourth proportional to 102,420,293.24, 141,352,915.96 and 67,167,745.00 is: 92,699,955.38
Step by Step Solution
- Step 1: Write the proportion equation
102,420,293.24 : 141,352,915.96 = 67,167,745.00 : x - Step 2: Convert to fraction form
102,420,293.24/141,352,915.96 = 67,167,745.00/x - Step 3: Cross multiply
102,420,293.24x = 141,352,915.96 × 67,167,745.00 - Step 4: Simplify right side
102,420,293.24x = 9,494,356,613,333,028 - Step 5: Solve for x
x = 9,494,356,613,333,028/102,420,293.24 - Step 6: Final answer
x = 92,699,955.38
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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.