Finding the Fourth Proportional to 61,094,135.70, 91,641,203.55 and 20,704,619.70
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Solution
The fourth proportional to 61,094,135.70, 91,641,203.55 and 20,704,619.70 is: 31,056,929.55
Step by Step Solution
- Step 1: Write the proportion equation
61,094,135.70 : 91,641,203.55 = 20,704,619.70 : x - Step 2: Convert to fraction form
61,094,135.70/91,641,203.55 = 20,704,619.70/x - Step 3: Cross multiply
61,094,135.70x = 91,641,203.55 × 20,704,619.70 - Step 4: Simplify right side
61,094,135.70x = 1,897,396,268,353,039.75 - Step 5: Solve for x
x = 1,897,396,268,353,039.75/61,094,135.70 - Step 6: Final answer
x = 31,056,929.55
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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.