Finding the Fourth Proportional to 243,232,183.70, 365,430,326.74 and 155,964,677.48
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Solution
The fourth proportional to 243,232,183.70, 365,430,326.74 and 155,964,677.48 is: 234,320,237.50
Step by Step Solution
- Step 1: Write the proportion equation
243,232,183.70 : 365,430,326.74 = 155,964,677.48 : x - Step 2: Convert to fraction form
243,232,183.70/365,430,326.74 = 155,964,677.48/x - Step 3: Cross multiply
243,232,183.70x = 365,430,326.74 × 155,964,677.48 - Step 4: Simplify right side
243,232,183.70x = 56,994,223,051,415,120 - Step 5: Solve for x
x = 56,994,223,051,415,120/243,232,183.70 - Step 6: Final answer
x = 234,320,237.50
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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.