Finding the Fourth Proportional to 137,628,076.74, 206,410,568.28 and 39,257,910.96
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Solution
The fourth proportional to 137,628,076.74, 206,410,568.28 and 39,257,910.96 is: 58,877,867.82
Step by Step Solution
- Step 1: Write the proportion equation
137,628,076.74 : 206,410,568.28 = 39,257,910.96 : x - Step 2: Convert to fraction form
137,628,076.74/206,410,568.28 = 39,257,910.96/x - Step 3: Cross multiply
137,628,076.74x = 206,410,568.28 × 39,257,910.96 - Step 4: Simplify right side
137,628,076.74x = 8,103,247,710,739,241 - Step 5: Solve for x
x = 8,103,247,710,739,241/137,628,076.74 - Step 6: Final answer
x = 58,877,867.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.