Finding the Fourth Proportional to 122,493,733.20, 183,740,599.80 and 54,336,424.95
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Solution
The fourth proportional to 122,493,733.20, 183,740,599.80 and 54,336,424.95 is: 81,504,637.43
Step by Step Solution
- Step 1: Write the proportion equation
122,493,733.20 : 183,740,599.80 = 54,336,424.95 : x - Step 2: Convert to fraction form
122,493,733.20/183,740,599.80 = 54,336,424.95/x - Step 3: Cross multiply
122,493,733.20x = 183,740,599.80 × 54,336,424.95 - Step 4: Simplify right side
122,493,733.20x = 9,983,807,311,300,686 - Step 5: Solve for x
x = 9,983,807,311,300,686/122,493,733.20 - Step 6: Final answer
x = 81,504,637.43
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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.