Finding the Fourth Proportional to 155,155,546.44, 232,767,378.54 and 45,989,137.80
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Solution
The fourth proportional to 155,155,546.44, 232,767,378.54 and 45,989,137.80 is: 68,993,801.98
Step by Step Solution
- Step 1: Write the proportion equation
155,155,546.44 : 232,767,378.54 = 45,989,137.80 : x - Step 2: Convert to fraction form
155,155,546.44/232,767,378.54 = 45,989,137.80/x - Step 3: Cross multiply
155,155,546.44x = 232,767,378.54 × 45,989,137.80 - Step 4: Simplify right side
155,155,546.44x = 10,704,771,047,020,822 - Step 5: Solve for x
x = 10,704,771,047,020,822/155,155,546.44 - Step 6: Final answer
x = 68,993,801.98
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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.