Finding the Fourth Proportional to 61,890,856.68, 85,411,429.97 and 34,014,554.99
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Solution
The fourth proportional to 61,890,856.68, 85,411,429.97 and 34,014,554.99 is: 46,941,211.30
Step by Step Solution
- Step 1: Write the proportion equation
61,890,856.68 : 85,411,429.97 = 34,014,554.99 : x - Step 2: Convert to fraction form
61,890,856.68/85,411,429.97 = 34,014,554.99/x - Step 3: Cross multiply
61,890,856.68x = 85,411,429.97 × 34,014,554.99 - Step 4: Simplify right side
61,890,856.68x = 2,905,231,780,891,969 - Step 5: Solve for x
x = 2,905,231,780,891,969/61,890,856.68 - Step 6: Final answer
x = 46,941,211.30
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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.